Thomas "Tom" Cat (originally known as Jasper in Puss Gets the Boot) is one of the two protagonists in Tom and Jerry, created by William Hanna and Joseph Barbera. He is an adult bluish-gray anthropomorphic domestic short-haired cat who first appeared in the 1940 animated short Puss Gets the Boot. Tom was originally known as Jasper during his debut in that short, however, beginning from his next appearance in The Midnight Snack and onwards Thomas "Tom" was used. In the 2021 live action movie, Tom's full name was revealed to be Thomas D. Cat. In the fighting game MultiVersus, Tom's full name was given as Thomas Jasper Cat Sr.