MICE ARE BUDDIES MICE ARE PALS Tom and Jerry is an American animated series of short films created in 1940 by William Hanna and Joseph Barbera. It centers on a rivalry between its two title characters, Tom, a cat, and Jerry, a mouse, and many recurring characters. The plots of each short usually center on Tom's (the cat) numerous attempts to capture Jerry (the mouse) and the mayhem and destruction that ensues. Since here rarely attempts to eat Jerry and because the pair actually seem to get along in some cartoon shorts it is unclear why Tom chases Jerry so much. Some reasons given may include normal feline / murine enmity, duty according to his owner, Jerry's attempt at(Such As Ducks, Canaries, OR Goldfish) Being Eaten by Tom or Competition with other cat, among others.