Crumhorn IV is a brilliant billionaire industrialist and the "Daddy" of Princess (Dawn Crumhorn). He is an occasional antagonist of Danger Mouse who's secretly biding his time to, through his companies, rule the world. He is voiced by guest star, John Oliver.
Augustus P. Crumhorn the 4th has been suggested to play 6 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
