From en.wikipedia.org:
[doofus] DOOFUS or DUFUS is slang for a person prone to stupidity or foolishness.
- Dufus (band) , an American anti-folk band - _Doofus_ (comics) , an alternative comic by Rick Altergott and the title character - Doofus Drake , a character on _DuckTales_
** See also
- _Dofus_ , a 2004 fantasy MMORPG - Doof (disambiguation) [disambiguation]