Origin
He is a dim-witted and clumsy character, who worships Launchpad. He has a strong moral compass, and will do anything for the sake of friendship. He is a member of the Junior Woodchucks.
Creation
He was created for Duck Tales the tv show. He was voiced by Brian Cummings
His comic appearences are sparse in number due to the fact that he only appeared only in Duck Tales related comics. He started appearing in comics in 1989 (two years after the show started).
Major Arcs
Mayoral Arc
Doofus recently appeared along side Launchpad as his campaign manager when he was running for mayor.