Ketsuinu
Japanese title: ケツ犬
Alternative titles: Ketsu-Inu, Butt Dog
Type: TV
Source: Web manga
Episodes: 13
Status: Finished Airing
Aired: Apr 1, 2010 to May 31, 2010
Broadcast: Unknown
Duration: 2 min per ep
Rating: PG-13 - Teens 13 or older
Studios: Toei Animation
Producers: Think Corporation
Genres: Comedy

Ketsuinu is a dog with a butt-like face. The unidentified creature comes out of nowhere and quickly multiplies. In the end, the owners' faces turn into butts...