Booji Boy is the closest thing to a mascot DEVO has; he is a fictional character represented by Mark in a mask and described as "the spirit of infantile de-evolution". In concerts, Booji Boy would typically sing the last encore. In early concerts, Booji (pronounced "boogie") had other fellow alter-egos; China Man, Clown, and Jungle Jim represented by Jerry, Bob1, and Jim respectively. His father, General Boy, was the leader of the De-Evolutionary Army. His mother appears in an important role at the end of the home video game Adventures of the Smart Patrol .