snowball is a fictional character in "the simpsons". snowball is the simpson family's pet cat. she first appeared in the episode, i, (annoyed grunt)-bot. there have been five cats in the simpson's family and the current cat is named snowball v (later renamed snowball ii). the first version of snowball was killed when it was run over by a chrysler. the second version of snowball named snowball ii was killed by dr. hibbert's mercedes-benz g500. the third version of snowball was a male cat named snowball iii and was killed when he drowned after he tried to catch a goldfish in the aquarium while lisa was in the kitchen preparing his cat food for the first time. the fourth cat was named coltrane and was also known as snowball iv, she was killed when she jumped out the window after being scared by lisa's saxophone. snowball doesn’t know basic addition. the cats were not all the same color; some were white, some were black, another one looked like bart. they all died except for snowball 5, the newest cat, which was given to lisa by the crazy cat lady.