Chuck(チャック) is a fictional character in the "Power Instinct" series of fighting games. His only appearance is in "Power Instinct Legends", where he was the game's boss. While he cannot be selected from the start, he can, however, be accessed through a cheat code, but he can only be selected as the 'leader' character. Wikipedia
The definitive Wikipedia entry for Chuck. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Chuck_%28Power_Instinct_Character%29