Answer:

muggs

Answer	Crossword Clue
MUGGS	J. Fred ..
MUGGS	J. Fred .., '50s chimp-mascot on TV's "Today"
MUGGS	TV chimpanzee J. Fred

MUGGS	Chimp of '50s TV
MUGGS	Garroway's hairy "Today" co-host
MUGGS	"Mr. ... Steps Out" (Leo Gorcey comedy)
MUGGS	"Today" show's J. Fred ...
MUGGS	1950s TV chimp J. Fred ...