Yep, thats a Spongebob-cat.

Cus I wanted to join a group, so I made one, in honour of all the Spongebob-cats out there, and those with no groups, and normal cats, and none-cats... You are all welcome here.

Meowww[www.nyan.cat]
Purrrrurrrr[cat-bounce.com]
Meeoowww[www.catgifpage.com]