Answer:

APE

AnswerCrossword Clue
APE"Going ..!" (Danza bomb)
APEAct like
APEBoorish one
APECopycat
APEDo an impression
APEJ. Fred Muggs, for one
APEKong, for one
APELummox
APEMimic
APERoddy McDowall character
APERue Morgue culprit
APETerror of the Rue Morgue
APEBrutish one
APECopy
APEMake like
APEO'Neill's "The Hairy .."
APEO'Neill's hairy title character
APEAldous Huxley's ".. and Essence"
APEAldous Huxley's "... and Essence"
APEBig galoot
APEBig ugly galoot
APEDo a takeoff
APELarge copier
APEZoo swinger
APEBrute
APETarzan's father
APEWoods swinger
APE(Smoke without damaging one's) lu(n)g(s, perhaps)
APEAnimal that can precede "shit"
APEBig oaf
APEBig brute
APEBonobo, e.g.
APEHuman ancestor?
APETailless simian
APETailless mammal
APEJungle denizen
APEPongid
APEPrimate
APEMan's kin
APEOut of control