Mr. Bean’s surname in the official character name is Bean.
The character is generally identified simply as Mr. Bean, with no commonly used personal first name. “Bean” functions as the character’s surname and is the central part of the franchise title across the live-action series, films, and animated productions.
The character’s deliberately limited biography is part of the comedy. Episodes focus on his behavior, possessions, schemes, and misunderstandings rather than explaining his family history or ordinary identity in detail. This helps make him recognizable across languages and cultures.
Some viewers assume that “Mr.” must be followed by a hidden first name, but the franchise normally presents him only as Mr. Bean. The name should not be expanded to a different personal identity.