Read more about Birdy Cephon Altera at: Wikipedia

Official Site: Funimation

is a Japanese manga series written and illustrated by Masami Yuki. His initial work on the series was quickly abandoned, but it was made into an anime, which was produced and, on the last episode, scripted by Yoshiaki Kawajiri, who is known for anime titles such as Vampire Hunter D, and Ninja Scroll. The character designer and animation director for the series was Kumiko Takahashi. In 2003, Yuki began serializing a second, more ambitious Birdy the Mighty manga in Weekly Young Sunday.

A TV anime adaptation, titled , was animated by A-1 Pictures and produced by Aniplex, premiered in Japan on TV Saitama and other broadcast networks on July 4, 2008. The series is directed by Kazuki Akane (director of Vision of Escaflowne), written by Hiroshi Ōnogi, with its character designer and overseeing animation director being Ryo Timo. It also aired on the satellite network Animax from July 14, 2008. The second season titled Birdy the Mighty Decode 02 aired Jan 9, 2009 to Mar 27, 2009. The TV series featured a different voice acting cast from the original OVA series. As of June 30, 2010, Funimation released all episodes of Season 1 and Season 2 English Subbed, and plans to release them English Dubbed in October 2010.

The series made its North American television debut on March 2, 2011 on the Funimation Channel.

Birdy Cephon Altera is a Federation agent chasing interplanetary criminals to the planet Earth. While in pursuit of one such criminal, she accidentally kills a high school boy named Tsutomu Senkawa. Fortunately for Tsutomu, there is a way to keep him alive. He ends up being merged into Birdy's body and must remain so until the repair of his body is complete.

Birdy Cephon Altera has not been a contender in any CBUB matches.