Snowball II has been the Simpsons' cat for the whole series, and she can be seen in almost every episode, even though none were based on her. So, this is the page about Snowball II. Looks: Just like Snowball I Changed: Into a weird-looking fire-breathing monster Status: Second favorite pet, behind SLH Bought: After Snowball I died Secret shame Just bought because she looks like Snowball I