I think these users have had a fairly big influence on the VGChartz community at some point in time:
Highaystar101
kowenicki
darthdevidem01
cgi-quality
Leoj
Rolstopable
badgenome
Shio
spurgeonryan
pezus
Zarx
Reasonable
NintendoPie
MikeB
Trashleg
Selnor
Seece
Kasz216
Ssj12
Nsanity
Machina
MontanaHatchet
Torillian
Kantor