aliene
ass
bedlamite
borderline case
crackbrain
crackpot
dement
demoniac
donkey
energumen
fanatic
flake
fou
idiot
imbecile
jackass
jerk
kook
loon
loony
lunatic
mad person
maniac
meshuggenah
nincompoop
ninny
non compos
noncompos
nut
phrenetic
psycho
psychopath
psychotic
raver
raving lunatic
screwball
weirdo
diseased person
sick person
sufferer
crazy
looney
madwoman
nutcase
pyromaniac
madwomen
adventurer
assassin
beggar
brigand
brute
demagogue
dreamer
drunkard
fool
hypocrite
impostor
killer
liar
murderer
outlaw
ruffian
scoundrel
traitor
tyrant
vagabond
villain