Characters from the Bob the Builder franchise (from all the 1999 original series, sequel series Project: Build It and Ready, Steady, Build!, and the 2015 reboot series) include:

Humans

Main

Original series

• Robert "Bob" B., Jr. (voiced by Neil Morrissey in the UK and by William Dufris in series 1 & 9 in the original series, Greg Proops in series 10 & 14 in Project: Built It and by Marc Silk in series 15 & 16 in Project: Built It and Ready, Steady, Build! in the US and by Lee Ingleby in the UK and by Colin Murdock in the US in the reboot series) is a general contractor and head of his own roadway based in Bobsville and later in Sunflower Valley and now Fixham Harbour and then Spring City. Bob is from a family of builders – his father Robert is also a builder and so was his grandfather Billy. He is assisted by Wendy and a host of anthropomorphic road vehicles, including tractors, in various projects in and around the town. He is the owner of Pilchard and he is not good with computers. Some of the problems in the show arise from Bob's habit of forgetting to turn his mobile phone on. His catchphrases are "Right, team, can we fix it?" and "Morning, team!" in the original series and "Can we build it?" in the reboot series.
• Wendy W. (voiced by Kate Harbour in the UK and by Lorelei King in the US in the original series, Project: Built It and Ready, Steady, Build! and by Joanne Froggatt in the reboot series) is Bob's business partner who runs the office and keeps the business in order, and often organizes tools and equipment. She is also seen doing construction work in many episodes. Wendy is often worried about Bob's cat, Pilchard, as shown in the episode "Pilchard in a Pickle" and in the song "Find That Cat".

Reboot series

• Leo L. (voiced by Jacob Scipio in the UK and Daniel Bacon in the US) is a college student, Bob's apprentice and Curtis' son.

Recurring

Original series

• Farmer Percy Pickles (voiced by Neil Morrisey in the UK and by William Dufris in the original series and by Vincent Marzello in Project: Build It and Ready, Steady, Build! in the US and by Nick Mercer in the reboot series episode "Barn Building Bedlam") is a nearby farmer, and a good friend of Bob who often helps out in his construction projects. He is the owner of Travis, Spud, Scruffty, Sumsy and Packer.
• Mr. Bernard Bentley (voiced by Rob Rackstraw in the UK, the US version beginning with Project: Build It and Ready, Steady, Build!, and by Alan Marriott in the US version of the original series and by Nick Mercer in the UK and by Ian James Corlett in the US in the reboot series) is Bobsville's building inspector and later Mayor of Sunflower Valley and then Fixham Harbour's building inspector, and Barbara Bentley's husband. His original catchphrase is "Oh, my word!" In the reboot series, he is Mayor Madison's right-hand man and gains a more nerdy, clumsy personality and a brand new catchphrase which is "Oh, dear me! Mayor Madison will be here any second!"
• Mr. Bill Beasley (voiced by Rob Rackstraw in the UK and by William Dufris in the original series, Greg Proops in series 10 & 14 in Project: Built It, and by Marc Silk in series 15 & 16 in the US) is a clumsy and bit indecisive Bobsville later Sunflower Valley resident and a frequent customer for Bob and his team, and Bridget Beasley's husband.
• Mrs. Barbara Bentley (voiced by Kate Harbour in the UK and Lorelei King in the US) is Mr. Bentley's wife and a friend of Bob and the team.
• Mr. Benjamin Dixon (voiced by Rob Rackstraw in the UK and Alan Marriott in the US) is Bobsville's local postman.
• Mr. Jeremy Ellis (voiced by Rob Rackstraw in the UK and by William Dufris in the US in the original series and by Alan Marriott in the US version of Project: Build It in the episode, "Scrambler and the Colorful Cave") is the manager of the Bobsville museum.
• J.J. (voiced by Colin McFarlane) is the manager of the suppliers yard, the owner of Skip and Trix, and the new owner of Hamish.
• Molly (voiced by Llewella Gideon in the UK and Lachele Carl in the US) is J.J.'s daughter who helps him out in the suppliers yard.
• Mrs. Percival (voiced by Kate Harbour in the UK and Lorelei King in the US) is Bobsville's local school head teacher.
• Mrs. Potts (voiced by Kate Harbour in the UK and Lorelei King in the US) is a Bobsville resident and the owner of Tommy.
• Mr. Angelo Sabatini (voiced by Neil Morrissey in the UK and by William Dufris in the original series and by Vincent Marzello in Project: Build It in the US) is the owner and chef of the local pizza shop in Bobsville and later the Sunflower Valley bakery, and Sophia Sabatini's husband.
• Robert "Bob" B., Sr. (voiced by Richard Briers in the UK and by Vincent Marzello in the US in the original series and by Lee Ingleby in the reboot series) is Bob and Tom's father, Dorothy's husband and a retired general contractor, who built most of Bobsville, which was named after himself. He first appeared in The Knights of Can-A-Lot (Fix-A-Lot in the US), when he helped Bob and the team restore an old castle. He later took the building jobs in Bobsville while the team were in Sunflower Valley.
• Dorothy "Dot" B. (voiced by June Whitfield in the UK and Lorelei King in the US) is Bob and Tom's mother and Robert's wife. She first appeared in The Knights of Can-A-Lot (Fix-A-Lot in the US). She later took over Wendy's old job as the secretary at the Bobsville building yard while the team were in Sunflower Valley.

Project: Build It

• Annie Pickles (voiced by Kate Harbour in the UK and Lorelei King in the US) is a seaweed farmer and Farmer Pickles' cousin.
• Rio (voiced by Suzi Quatro) is a cowgirl who lives in Cactus Creek with her pickup truck Jackaroo. She is introduced in Built to be Wild. Rio can play her guitar and sometimes her banjo. Rio looks somewhat similar to Meg.
• Meg MacDonald (voiced by Kate Harbour) is a milk maid who was originally a goat herder.
• Baz (voiced by Rupert Degas) is a sheep shearer and Farmer Pickles' cousin.
• Pablo Sabatini (voiced by Rupert Degas) is Mr. Sabatini's brother, Sophia Sabatini's brother-in-law and Carlo and Cassia Sabatini's uncle who runs the ice cream parlour in Sunflower Valley.
• Sunny (voiced by Rupert Degas) is Marjorie's son and Saffron's twin brother.
• Saffron (voiced by Emma Tate) is Marjorie's daughter and Sunny's twin sister.
• Carlo (voiced by Rupert Degas) and Cassia Sabatini (voiced by Emma Tate) are Mr. and Mrs. Sabatini's twins.
• Piper MacDonald (voiced by Rupert Degas) is Meg's nephew who assists her with her dairy products.
• Llewela (voiced by Kate Harbour) is the owner of the Bobland Bay Hotel. Her nephew is Dickie.
• Dickie Chester (voiced by Rupert Degas) is the manager of the Bobland Bay Hotel.

Ready, Steady, Build!

• Bradley "Brad Rad" Radical (voiced by Rupert Degas) is the owner of Fixham Harbour's surf school down by the beach.
• Mr. David Mockney (voiced by Rupert Degas) is the manager of the Fixham Harbour museum. His name is a reference to British artist David Hockney.
• Mrs. Toosie is the owner of Fixham Harbour's local toy shop.

Reboot series

• Mayor Maria Madison (voiced by Lucy Montgomery in the UK and Nicole Oliver in the US) is the mayor of Spring City. A running gag is she occasionally tries to get her picture taken for the newspaper or a magazine and it always gets ruined. For example, in "Sky-High Scoop", she tries to get her picture taken at the top of the new skyscraper and Gull lands on her and she tries to shoo her away.
• Curtis (voiced by Danny John-Jules) is Leo's father and the owner of the local service station.
• The Spring City Rockets are a group of children.
  • Brandon (voiced by Vincent Tong) is one of the Spring City Rockets.
  • Mila (voiced by Holly Hazelton in the UK and Rebecca Shoichet in the US) is one of the Spring City Rockets.
  • J.J. (voiced by William Haresceugh in the UK and Erin Mathews in the US) is one of the Spring City Rockets. J.J. is not to be confused with J.J. from the original series.
  • Saffi (voiced by Mia Hope in the UK and Kazumi Evans in the US) is one of the Spring City Rockets whose hair is tied in pigtails. She is also a pet owner who has South-Asian blood.
• Sylvian de Souza (voiced by Kerri Salki) is a star dancer on the famous television show Ballroom Blitz. When Lofty feels left out while building on the dance floor, Sylvian encourages him to follow his dreams.
• Chef Seymour Tattie (voiced by Iain Lauchlan) is a celebrity chef.
• Anish Bose (voiced by Kulvinder Ghir) is an archaeologist and Saffi's father.
• Jenny Dobbs (voiced by Lucy Montgomery) is a zookeeper at Fixham Zoo who looks after zoo animals.
• Vet Tilly (voiced by Sarah Hadland in the UK and Erin Mathews in the US) is a vet who helps pet animals feel better.

Minor

Original series

• David Dixon (voiced by Neil Morrisey in the UK and Alan Marriott in the US) is a famous football goalkeeper and Mr. Dixon's brother.
• Bunty Ferguson (voiced by Alison Steadman in the UK and Lorelei King in the US) is the mayor of Bobsville who appeared in two episodes.
• Dr. Florence Mountfitchet (voiced by Brenda Blethyn in the UK and Lorelei King in the US) is a member of Local Heritage. She appears in The Knights of Can-A-Lot (Fix-A-Lot in the US), when she asked Bob and the team restore an old castle.
• The Librarian (voiced by Maggie Fox in the UK and Lorelei King in the US) works at the library in Bobsville. She once helped Spud find a book of knights and armour, although Spud was making loud noises, much to the patrons annoyance.
• Mr. Adam Fothergill (voiced by Neil Morrissey in the UK and Alan Marriott in the US) is a Bobsville resident, the computer handyman and Hamish's first owner. He gave Hamish to J.J. and Molly after he discovered that he was allergic to him.
• Jenny W. (voiced by Kate Harbour in the UK and Lorelei King in the US) is Wendy's sister.
• Pam Goody (voiced by Kate Harbour in the UK in the original series and Lorelei King in the US in Project: Build It episode "Wendy's Party Plan" as a speaking cameo) is the manager of the Arts Centre.
• Thomas "Tom" B. (voiced by Stephen Tompkinson in the UK and Rupert Degas in the US) is Bob's fraternal twin brother who works as a zoologist.
• Mrs. Sophia Sabatini (voiced by Kate Harbour in the UK and Lorelei King in the US) is Mr. Sabatini's wife.
• Lennie Lazenby (voiced by Chris Evans in the UK and the US dub of A Christmas to Remember and Alan Marriott in the US dub of "Roley and the Rock Star") is Bobsville's resident rock star and guitarist and lead singer of "Lennie and the Lazers".
• John (later known as Elton John) is a keyboardist, singer, composer and songwriter who lives in Bobsville. He is best known for his role as lyricist and keyboardist of Lennie and the Lazers.
• Banger (voiced by Noddy Holder) is Lennie and the Lazers' roadie.
• Jana von Strudel (voiced by Ulrika Jonsson) is an Austrian yodeler, the host of the Bobblesberg Winter Games and the former owner of Zoomer.
• Charlene (voiced by Kerry Fox) also only appears in Snowed Under! The Bobblesberg Winter Games. She owns a hotel and Bobblesberg and is a waitress. Spud ended up falling in love with her and becoming a waiter.
• Mrs. Bridget Beasley (voiced by Kate Harbour in the UK and Lorelei King in the US) is Mr. Beasley's wife.

Project: Build It

• Marjorie (voiced by Emma Tate) is the manager at Farmer Pickles' factory.
• Rusty Rogers (voiced by Rob Rackstraw) was a cowboy and an owner of his own round-up who first found gold in the oldern days. He was also Rio's great-great-grandfather. He only appears during the song "Gold Fever" which is sung by Rio.
• Chip Chipper (voiced by Rupert Degas) is a woodsman.
• Mr. Bell (voiced by Rob Rackstraw) is the lighthouse keeper of Bobland Bay. It is possible that he is the owner of Flex, however this is not confirmed.
• Oscar Flicks (voiced by Neil Morrissey in the UK and Marc Silk in the US) is a film director who got stranded out at sea in "Lofty the Lifeguard". He also directed a sea monster movie in "Star Struck Spud". His little sea monster model got ruined from the machine wash and it shrunk. So Scoop, Muck and Dizzy dress up as a sea monster for the movie.
• Coach Mulligan (voiced by Rob Rackstraw in the UK and Alan Marriott in the US) is a physical education.

Ready, Steady, Build!

• Tony Toberomi is the manager of the Dinosaur Fun Park.
• Captain Brickbeard (voiced by Rupert Degas) is a pirate who founded Fixham Harbour and sails in a ship called The Bony Beard. He is believed to have a hidden a golden hammer in Fixham. His catchphrase is "No one will ever find my Golden Hammer! Har har!"

Reboot series

• Conrad (voiced by Brian Cox) is a former general contractor and Ace, Crunch and Thud's former owner. He only appears in "Mega Machines" when he helped Bob and the team build Spring City's new dam. But he was angry when Bob was given the job, so he attempted to sabotage the dam to make Bob look bad and take over the build himself. He was defeated and sentenced to community service.
• Henry is a Spring City resident who marries Vet Tilly in "Wild Wild Wedding". He works at the racetrack for horses.
• Roland works at the warehouse.
• Skye (voiced by Josie Taylor) is a fitness expert.
• Dash Lightning (voiced by Steven Kynman) is the star of children's TV and film shows. Dash is well known for saying "With a Zoom! Boom! Lightning strikes twice!" Dash has a passion for tools and equipment and consequently is in awe of Bob.
• Mei Moon (voiced by Jing Luis) works at the observatory.

Vehicles

Bob's vehicles

Construction vehicles

Original series

• Scoop (voiced by Rob Rackstraw in the UK and by Alan Marriott in the original series and Project: Built It and by David Menkin in Ready, Steady, Build! in the US and by Blake Harrison in the reboot series) is a yellow backhoe loader and the unspoken leader of Bob's machines. He has a habit of making jokes, and assists Bob in being in charge whenever extra help is needed. Scoop can be sometimes bossy and sarcastic, but he is very kind and caring to others. He has an exhaust pipe on his left side and a roof-mounted beacon. His catchphrases are "I can dig it!", "I'm in charge!", "No prob, Bob!" and "Can we fix/build it?" in the original series and "Aww...I've just had a BRILLIANT IDEA!!!" in the reboot series.
• Muck (voiced by Rob Rackstraw in the UK and by Lachele Carl in series in the original series and Project: Build It and by Sophie Aldred in Ready, Steady, Build! in the US, and by Paul Panting in the UK and by Vincent Tong in the US in the reboot series) is a red caterpillar-tracked dump truck with a bulldozer blade and one of the heaviest machines on the team. He gets very clumsy for certain things and is especially fond of getting dirty hence the name. Muck's catchphrases are "Muck to the rescue!" and "Let's get mucky!" in the original series and "Oh, wow! I'd love to join in!" in the reboot series. Muck is the only character to have had a gender switch between the UK and US dub in the original series, but was characterised as male in both versions of the reboot. In the US dub of the original series, Project: Built It and Ready, Steady, Build!, Muck was female. Muck also does not resemble a realistic machine as of this point.
• Dizzy (voiced by Kate Harbour in the UK and by Maria Darling in series 1 & 14 in the original series and Project: Build It and by Emma Tate in series 15 & 16 in Project: Built It and Ready, Steady, Build! in the US and by Sarah Hadland in the UK and by Claire Corlett in the US in the reboot series) is Bob's orange tilting-drum cement mixer trailer and the second youngest member of the team. She is the first trailer of Bob's crew, the second one being the Power Generator. She is eager, curious and easily excitable, and dances around the yard when anxious. Her catchphrases are "I can mix it!" and "Brilliant!" in the original series and "Pour to perfection." in the reboot series.
• Roley (voiced by Neil Morrissey in the UK and by Maria Darling in series 1 & 14 in the original series and Project: Build It and by Lorelei King in series 15 & 16 in the US in Project: Build It and Ready, Steady, Build! and by Marcel McCalla in the UK and by Ian James Corlett in the US in the reboot series) is a green road roller who loves to make up songs and frequently spins his eyes (which are his headlights) when he is excited. He is always energetic and very rowdy. He often acts before he thinks (sometimes due to his heavy weight), which could lead to trouble. He has a pet bird who sleeps on his cab when he is steady, sometimes when working. Like Scoop, Roley has a roof-mounted beacon. His catchphrases are "I can roll it!" and "Rock and roll!/Rocking and a rolling!" in the original series and "The tarmac is flat!" in the reboot series.
• Lofty (voiced by Neil Morrissey in the UK and by Sonya Leite in the original series, Emma Tate in Project: Build It and by Lizzie Waterworth in Ready, Steady, Build! in the US and by Steven Kynman in the UK and by Richard Ian Cox in the US in the reboot series) is a blue mobile crane who lacks the confidence shown by the others. He is hesitant and cowardly, but with the encouragement of the team comes through in the end. Despite his nervousness, he is a loyal friend and always gets his work done. His catchphrases are "I can lift it." and "Er/Uh, yeah, I think so!", usually said in response to the question "Can we fix it?" in the original series and "It's a good job well done." in the reboot series.
• Benny (voiced by Emma Tate) is a small magenta compact track loader with a rear-end backhoe arm and bucket. He was first seen in Snowed Under! The Bobblesberg Winter Games, when he helped Bob and the team get everything ready for the Bobblesberg Winter Games. He was later hired by Robert to help him out in Bobsville while the team were in Sunflower Valley, and even helped them out on a few jobs. He looks up to Scoop and calls him "Big Banana". His catchphrase is "Unreal/It's unreal, banana peel!" in reference to Scoop's yellow colour.

Ready, Steady, Build!

• Scratch (voiced by Kate Harbour in the UK and Jo Wyatt in the US) is a small light blue backhoe digger who is the youngest member of the team. He is curious, eager, a bit childish and very naive, and still has a lot to learn such as learning to stand up for himself and asking for help.

Quadbike

• Scrambler (voiced by Rupert Degas) is a metallic blue quadbike who was won by Bob in the Sunflower Valley design competition in Bobsville. He is very energetic and loves to go off-roading and make deliveries. He can sometimes be mischievous and impatient, but always learns his lessons in the end. His catchphrases are "Let's scram!", "Awesome!", "Wicked!", "Jump on, we'll be/get there in Scrambler time!", "Sunflower Valley rocks!", "Cool as a mule!" and "This Scrambler's ready for action!"

Farmer Pickles' vehicles

Original series

• Travis (voiced by Rob Rackstraw in the UK and by Alan Marriott in the original series and Project: Build It and by David Menkin in Ready, Steady, Build! in the US) is a turquoise tractor who belongs to Farmer Pickles and is often seen pulling a wood sided trailer. He helps out Bob and the team when they need it and keeps an eye on Spud. Travis is very intelligent, careful and has never whined about a job, however he is somewhat naive and sometimes falls for Spud's pranks. Like Scoop, Travis has an exhaust pipe, but it is red and on top of his radiator. He is very good at whistling, and often makes a whistling noise through his pipe. His catchphrases are "Okay, Farmer Pickles.", "Travis Tractor's my name, moving loads is my game.", "Don't be silly, Spud.", and "I'd better get going!"

Project: Build It

• Sumsy (voiced by Kate Harbour in the UK and Emma Tate in the US) is a maroon forklift lorry who belongs to Farmer Pickles and works at his sunflower factory. She looks almost identical to Trix. Her catchphrase is "I can pack 'em, I can stack 'em!"
• Packer (voiced by Rob Rackstraw in the UK and Lorelei King in the US) is a red semi-trailer lorry who belongs to Farmer Pickles and uses three trailers, a flatbed, a covered trailer and a low loader, to make deliveries all over Sunflower Valley and later Fixham Harbour. His catchphrases are "Fetch/pick up and deliver! Fetch/pick up and deliver!" and "Pack me up and watch me go-go!"

J.J.'s vehicles

Original series

• Skip (voiced by Colin McFarlane in the UK and by William Dufris in the original series and by Rupert Degas in the US in Project: Build It episode "Where's Robert?") is a lime green pickup truck who belongs to J.J..
• Trix (voiced by Llewella Gideon in the UK and Maria Darling in the US) is a violet forklift lorry who belongs to J.J..

Bobland Bay vehicles

Project: Build It

• Tumbler (voiced by Rupert Degas in the UK and Vincent Marzello in the US) is a large yellow cement mixer truck and the loudest machine on Bob's team. He is very noisy and due to his large size, he thinks he is strong, brave, and tough. He is prideful and tends to brag about his size, but he has got a gentle side, which he shows to his friends, particularly Dizzy. His catchphrase is "Rumbling and a tumbling!"
• Flex (voiced by Rupert Degas in the UK and Vincent Marzello in the US) is a light yellow cherry picker who tends to have an extensive knowledge of plants and loves horticulture and has a Northern Irish accent. His catchphrases are "Fantastic Flex!" and "Ducking down, swinging round, reaching for the sky, my clever flexible arm can go anywhere/everywhere!"
• Bristle (voiced by Rupert Degas in the UK and Marc Silk in the US) is a silver and dark blue rubbish sweeper who is very eager to help out the others by doing jobs often ahead of the team. Bristle seems to whistle very often. He also tends to be a neat freak. His catchphrases are "Clean as a whistle!", "Spic and span!" and "Clean as a whistle Bristle, that's me!"
• Gripper (voiced by Rupert Degas) and Grabber (voiced by Rob Rackstraw) are twin machines. Gripper is a dark orange and dark green tow crane and Grabber is a dark green and dark orange backhoe dozer. They speak with a Scouse accent (Southern drawl in US dub). Gripper and Grabber refer to the other characters as "mates" ("partners" in the US dub) mainly due to stereotypical behaviours. They first appeared in Race to the Finish, when they helped Bob and the team build Sunflower Valley's new sports stadium. In Ready, Steady, Build!, they work at the suppliers yard in Fixahm Harbour. Their catchphrase is "Gripper and Grabber, having fun together!"
• Splasher (voiced by Rob Rackstraw) is a yellow and blue amphibious car who takes people to and from the Bobland Bay hotel and gives them tours in the valley. His catchphrase is "Never fear, Super Splasher is here!"

Snow vehicles

Original series

• Scoot (voiced by Maria Darling) is a yellow snowmobile who belongs to Tom, who uses her to drive around the Arctic Circle. She was only seen in A Christmas to Remember. Her catchphrase is "Speedster Scoot hits the track! Woo-hoo!"
• Zoomer (voiced by Rupert Degas) is a purple snowmobile who belongs to Jana. He was first seen in Snowed Under! The Bobblesberg Winter Games, when he helped Bob and the team get everything ready for the Bobblesberg Winter Games. He was later brought to Sunflower Valley to help out the team on snowy days. Zoomer's personality is very similar to Scrambler's. Like Scrambler, he makes noises when he's going fast. Although, he says "zoom" repeatedly while Scrambler says "nnnnnnneeeeoooowww".

Trucks

Project: Build It

• Dodger (voiced by Rob Rackstraw in the UK and Alan Marriott in the US) is a white and blue pickup truck who belongs to Meg. He has a crane arm that lifts the milk. His horn makes strange honking sounds that the rest of the team find funny. His catchphrase is "Dodger delivers!"
• Jackaroo (voiced by Donny Osmond) is a blue pickup truck that lives in Cactus Creek. He is only seen in Built to be Wild. His catchphrases are "Hot diggity dog!" and "Jumping jackrabbits!"

Other

Project: Build It

• R.Vee (voiced by Rob Rackstraw in the UK and Marc Silk in the US) is a blue cargo van and Robert and Dot's mobile workshop who is their transporter and tool carrier. He is only seen in Scrambler to the Rescue.

Construction vehicles

Ready, Steady, Build!

• Rubble (voiced by Rupert Degas in the UK and Marc Silk in the US) is an intelligent gold haul truck and Bob's mobile workshop who helps him and the team to build Fixham Harbour's new Dinosaur Fun Park in The Big Dino Dig.

Reboot series

Construction vehicles

• Stretch (voiced by Sam Swann in the UK and Peter New in the US) is a teal excavator. His catchphrase is "I'm ready to work, Bob. Anytime, anywhere, any place."
• Rocky (voiced by Rasmus Hardiker) is a white skid-steer loader who helped Bob and the team with an obstacle course for animals.

Mega Machines

• Tiny (voiced by Terry Mynott in the UK and Lee Tockar in the US) is a giant, yellow tower crane. His catchphrase is "Time for some Tower Power!"
• Ace (voiced by Ben Miles in the UK and the US in Mega Machines, and by Brian Drummond is the US) is a giant, orange front loader. He originally belonged to Conrad, until Bob took him in. His catchphrase is "Let's do this!"
• Crunch (voiced by Brian Cox in Mega Machines, and by Dustin Demri-Burns in the series) is a giant, white excavator who communicates with grunting sounds. He originally belonged to Conrad, until Bob took him in.
• Thud (voiced by Dustin Demri-Burns in the UK and Brian Dobson in the US) is a giant, dark blue haul truck. He originally belonged to Conrad, until Bob took him in.
• Norm (voiced by Dustin Demri-Burns) is a giant, light blue roadheader whose only spoken dialogue is "Dig, Dig, Tunnel, Tunnel!"

Trucks

• Two-Tonne (voiced by Terry Mynott in the UK and Richard Newman in the US) is a big, 40 ton, deep navy blue tractor unit trailer truck. He has four trailers, a truck camper with a detachable mobile home and an attachable crane boom, a low loader used for carrying things as well as Stretch, a cement mixer and a dumper used for construction work. His catchphrase is "You can depend on me, Bob."
• Alfred (voiced by Phill Cornwell) is Curtis' white and red tow truck who gets a bit overexcited sometimes, like when Leo plays video games. His catchphrase is "It's really fantastic, actually!"
• Betsy (voiced by Sarah Hadland in the UK and Rebecca Shoichet in the US) is a turquoise and white minibus who drives around the Spring City Rockets. Her catchphrase is "Come on, jump in, Rockets!"
• Tread (voiced by Dustin Demri-Burns in the UK and Ryan Bell in the US) is an orange pickup truck who is cheerful and trusty. His catchphrase is "I love being busy!", only in the UK.
• Shifter (voiced by Lucy Montgomery in the UK and Sam Vincent in the US) is a lime green piggyback forklift truck who causes chaos with his energetic enthusiasm. His catchphrase is "If you want it shifted, call for Shifter!"
• Picksy (voiced by Teresa Gallagher) is a red cherry picker whom Lofty has a crush on.

Other

• Phillip (voiced by Steve Cannon) is a navy blue limousine who drives around Mayor Madison and Mr. Bentley. He loves his job and takes it very seriously.

Animals

Main

Original series

• Pilchard (voiced by Kate Harbour in the original series, Project: Build It and Ready, Steady, Build! and by Frank Welker in the reboot series) is Bob's pet cat. She often finds herself in problematic situations, like making her way into the middle of a construction job, which may or may not be on purpose.
• Scruffty (voiced by Neil Morrissey) is Farmer Pickles' dog who lives on his farm.
• Bird (voiced by Kate Harbour) is Bob's blue and red, five-feathered pet bird who is Roley's best friend and Pilchard's usual buddy.

Reboot series

• Gull is Bob's pet seagull who is Scoop's best friend.

Recurring

Original series

• Finn is Bob's goldfish who likes to swim around in a fish tank.
• Tommy is Mrs. Potts' tortoise, who has had him since she was a little girl.
• Hamish (voiced by Rob Rackstraw in the UK and Alan Marriott in the US) is J.J.'s (formerly Mr. Fothergill's) parrot who likes to repeat what he hears people say.
• Squawk is a crow that likes to tease Spud.
• Humpty is Farmer Pickles' prize pig.
• Pogo (voiced by Stephen Tompkinson) is Tom's husky.

Project: Build It

• Dollar is a horse owned by Rio. She is introduced in the special Built to be Wild. In one scene in the special, she takes Bob for a wild ride before stopping so sudden that Bob flew off her saddle and landed on the ground.
• Patch is Rio's dog and lives with her, Dollar, Jackaroo and Randy at Cactus Creek. In one scene of the special, Spud tried to ride on Patch like a horse but Muck says that Spud can ride him instead.
• Sprat is Rupert Reekie's pet cat and Pilchard's love interest introduced in "Roley the Green Cat" and ended up having three kittens together.

Ready, Steady, Build!

• Fox Cub (voiced by Kate Harbour) is a fox Roley befriends.

Reboot series

• Cooper (voiced by Frank Welker) is a dog that Tilly looks after. Like Scruffty, he loves to chase Pilchard.
• Stripy (voiced by Kate Harbour) is a female tiger shark pup who becomes Scoop's pet in "Scoop's Pet Shark".

Miscellaneous

Original series

• Spud (voiced by Rob Rackstraw in the UK, the US version beginning with Project: Build It and Ready, Steady, Build!, and by Alan Marriott in the US version of the original series) is a mischievous anthropomorphic scarecrow who lives on Farmer Pickles' farm and always attempts to help Bob and the crew, although his efforts usually end in disaster due to his clumsiness. He likes eating and scaring crows away. It is unknown on how he got life, knowing that scarecrows are not human. His catchphrases are "Spud's on the job!", "Oh, yes, yes, yessity yes!" and "Yes, Bob, sorry, Bob."