[just because I've got this cluttering up my drive and have little use for it]

minion
toady
lackey
lickspittle
bootlicker
claque
myrmidon
factotum
sycophant
truckler
panderer
fawner
flunky
stooge
kowtower
groveler
apple-polisher
brown-nose
kiss-ass
pickthank (archaic)
toadeater (archaic)
tufthunter
earwig
clawback
limberham (archaic)
running dog
Gnatho [gnathonic, obs]
smooger

[suggestions welcomed]