gorilla (n.)
- angwantibo
- apache
- ape
- assassin
- assassinator
- aye-aye
- baboon
- battler
- beast
- beldam
- belligerent
- berserk
- berserker
- blade
- bomber
- bravo
- brawler
- bruiser
- brute
- bully
- bullyboy
- butcher
- cannibal
- capuchin
- chacma
- chimpanzee
- colossus
- combatant
- competitor
- contender
- contestant
- cutthroat
- demon
- desperado
- devil
- disputant
- dragon
- drill
- duelist
- enforcer
- entellus
- eradicator
- executioner
- exterminator
- fencer
- fiend
- fighter
- fire-eater
- firebrand
- fury
- gamecock
- garroter
- giant
- gibbon
- gladiator
- goon
- guenon
- guereza
- gun
- gunman
- hanuman
- hellcat
- hellhound
- hellion
- homicide
- hood
- hoodlum
- hooligan
- hothead
- hotspur
- incendiary
- killer
- knight
- langur
- lemur
- macaque
- madcap
- man
- man-eater
- mandrill
- manslayer
- marmoset
- matador
- militant
- monster
- mug
- mugger
- murderer
- orang
- orangutan
- pesticide
- plug-ugly
- poison
- poisoner
- powerhouse
- quarreler
- rapist
- revolutionary
- rhesus
- rioter
- rival
- rough
- roughneck
- rowdy
- ruffian
- saki
- savage
- scrapper
- slaughterer
- slayer
- spitfire
- squabbler
- stalwart
- strangler
- strong-armer
- struggler
- swashbuckler
- sword
- swordsman
- termagant
- terror
- terrorist
- thug
- tiger
- tigress
- tilter
- torpedo
- tough
- virago
- vixen
- witch
- wolf
- wrangler