From en.wikipedia.org:
[Wiktionary]
NITWIT, a colloquial noun for a stupid person, may refer to:
- an idiot - Nittany Nation , formerly known "Nittwits", a student organization - Dr. Nitwhite, a scientist in _Between the Lions_ commonly called "Dr. Nitwit", much to his chagrin - Sid Millward and His Nitwits , a British parody band between the 1930s and 1970s
** See also
- _Baggy Pants and the Nitwits_ [disambig]