Holy Willie
Joseph Surface
Mawworm
Pecksniff
Pharisee
Tartuffe
actor
affecter
ape
attitudinizer
bluffer
canter
canting hypocrite
charlatan
cheat
con man
confidence man
conformist
copier
copycat
copyist
counterfeiter
cuckoo
deceiver
dissembler
dissimulator
double-dealer
echo
echoer
echoist
fair-weather friend
faker
false friend
flimflam man
flimflammer
forger
formalist
fraud
humbug
imitator
impersonator
imposter
impostor
liar
lip server
lip worshiper
masquerader
beguiler
cheater
slicker
trickster
charmer
smoothie
smoothy
sweet talker
tartufe
whited sepulcher
whited sepulchre
blackguard
cad
drunkard
fanatic
fool
knave
libertine
madman
quack
ruffian
schemer
scoundrel
swindler
sycophant
thief
traitor
tyrant
vagabond
villain
wretch