Miyamoto

Miyamoto, according to The Life and Adventures of Miyamoto, is a great inventor with huge enemies.

Enemies

Willy Higinbotham, who invented Tennis for Two (an alternate version of Pong). He wants revenge on Miyamoto for stealing Tennis for Two and making it into Mario Tennis, ignoring the fact that Camelot made the game.
Wiyamoto, an evil W clone of Miyamoto. Several other evil W clones are present in the series, such as Wosby (a W clone of Jozby, who is partially Bill Cosby) and Woctor Wily.