Isadore "Friz" Freleng (August 21, 1905[a] – May 26, 1995),[4] credited as I. Freleng early in his career, was an American cartoonist. He was known for introducing characters such as Bugs Bunny, Porky Pig, Tweety, Sylvester the Cat, Yosemite Sam, and Speedy Gonzales.