Answer:

goon

Answer	Crossword Clue
GOON	Hatchet man
GOON	Hoodlum
GOON	Hired thug

GOON	Continue
GOON	Thug
GOON	Keep at it
GOON	Enforcer
GOON	Dumb thug
GOON	"The ... Show" (radio program that featured Peter Sellers)
GOON	Ruffian
GOON	Brutish sort

GOON	Mob enforcer
GOON	"Continue ..."
GOON	Hired hoodlum
GOON	Hockey thug
GOON	"I'm listening"
GOON	Hooligan
GOON	... squad
GOON	"I'm listening..."

GOON	"Tell me more!"
GOON	One who might take "break a leg" literally
GOON	Muscle
GOON	Hoodlum for hire
GOON	Hood
GOON	Mob member
GOON	Hired hood
GOON	"I'm listening ..."

GOON	"And?"
GOON	Roughneck
GOON	"Please continue"
GOON	Henchman
GOON	Criminal-gang member
GOON	Dunce
GOON	Ill-mannered fellow
GOON	Stupid person: slang.

GOON	Queer character: Slang.
GOON	Underworld hireling.
GOON	Roughneck: Sl.
GOON	Hoodlum.
GOON	Labor-trouble bad man.