[chopperman]

cutthroat, ruffian, criminal, or hoodlum.

Okay libs, pick one.

[Jan_Sobieski]

Here are some more...

bandit,bully,criminal,gangster,goon,hooligan,
mobster,rioter,rowdy,troublemaker,delinquent,gorilla,
hood,punk,ruffian,gangmember,brigand,hoodlum,bandit,
desperado,highwayman,marauder,outlaw,pillager,pirate,
robber,thief,convict,cutthroat,gangster,lawbreaker,
mugger,crook,mobster,racketeer,robber,mafioso,