Mana name ...

Mana（日文名 マナ）
...通称「Mana様」http://ja.wikipedia.org/wiki/Mana
Mana was born on March 19, in Hiroshima; while many unsubstantiated rumors proliferate, his real name and year of birth are unknown. Mana's actual name is speculated to be Satou Manaba according to the fan website mana-sama.net.不公開真名
http://en.wikipedia.org/wiki/Mana_(musician)

mana's real name is called "佐藤 學"


hope i can help u =))