Thomas Jacob McKimson (March 5, 1907 – February 14, 1998) was an American animator and comic book artist, best known for his work at the Warner Bros. Cartoons studio.
He left Disney a year later to work briefly for Romer Grey, then joined Harman-Ising Studios around 1932.
After Harman and Ising left Warner Bros. for MGM, McKimson became a member of Bob Clampett's animation unit, where he is credited as a layout artist and the original design for Tweety Bird.
"[1][2] He left Warners in 1947 when Don Smith replaced him as layout artist for Davis' unit.
[5] McKimson died on Valentine's Day, 1998 in West Los Angeles at the age of 90, less than a month before his 91st birthday.