Fuji TV Anime

The story centers around Saburou, a high school boy who time-travels to Japan's Sengoku Era. He must become Nobunaga Oda, the famed warlord who helps unite Japan.

(Source: Anime News Network)

A parody of "Obake no Q-taro" written by the comedian Hitoshi Matsumoto, the series is about a kid and his ugly critter (with a strange likeness with Butthead). You better not hurt the kid or Kyou-chan will grow arms on his head and feet on his mouth to rip off your guts!

(Source: TVTropes)