Mr. Fluffypants

Mr. Fluffypants is a character in the Disney Channel animated series Phineas and Ferb. He appeared in the episode Spa Day, he was found by Doofenshmirtz while checking the mail, he took him in and named him Mr. Fluffypants: because, he's fluffy, he looks like he's wearing pants and he reminds him of his Uncle Fluffy Pants. With Mr. Fluffypants messing with Doofernshmirtz's inators, Perry the Platypus believes Doofenshmirtz is behind it, but Perry believes him with Mr. Fluffypants mess with the inator that made Phineas and Ferb's spa disappear. In the end, Mr. Fluffypants has an original owner and his real name is Mr. Cat, then Doofenshmirtz had to give him back and wasn't happy about because of him being evil.