(lat ) the other self Under this legal doctrine, the law will disregard the personal liability an individual has as a result of the existence a corporate entity and will regard an act as the act of the individual rather than solely the act of the corporation
My double or counterpart In The Corsican Brothers, the same actor performs the two brothers, the one being the alter ego of the other (Latin, "a second I") One who has full powers to act for another
You can describe the character that an actor usually plays on television or in films as his or her alter ego. Barry Humphries's alter ego Dame Edna has taken the US by storm