Catscratch

When their owner passes away, three cats, who are brothers that don't resemble each other, inherit a large amount of fortune along with a giant mansion and a very sarcastic butler named Hovis.

Catscratch is a 2005 animation family movie, starring Wayne Knight, Maurice LaMarche, Kevin McDonald. It holds an IMDb rating of 6.6/10 from 3,512 votes and runs 23m.