Mr. Scarlet is district attorney Brian Butler, who along with his adopted son Pinky the Whiz Kid, fought evil in his city for several years. His success was such that his employment was frequently in jeopardy due to a lack of crime. As a result, throughout his series he took up several odd jobs to supplement his family's income. He used inventive devices to help him apprehend criminals, and had great acrobatic and hand-to-hand combatant skills.