Answer: bonzo

AnswerCrossword Clue
BONZOPajama-clad title character of a '51 film
BONZONoted Reagan co-star
BONZO"... Goes to College" (1952 movie sequel)
BONZOReagan, to detractors
BONZOFilm chimp who had a 'bedtime'
BONZO'Bedtime for --'
BONZOFilm chimp
BONZO"Bedtime for ..." (Reagan film)
BONZOEarly Reagan associate
BONZOOne-time Reagan co-star
BONZORonald Reagan costar in 1951
BONZOEarly Reagan chimp co-star
BONZOReagan's simian costar
BONZOReagan's chimp costar
BONZOSimian costar of Reagan
BONZOChimp star of the '50s
BONZO1951 Reagan co-star
BONZORonald Reagan costar of 1951
BONZO"Bedtime for ..": Reagan film
BONZOCinematic chimp
BONZOProfessor Peter Boyd's adoptee in a 1951 film
BONZOReagan co-star