These are the ones I spotted so far (in no specific order).
goku
kakashi
sonic
goomba
kirby
my little pony
link
moogle
tony tony chopper
pikachu
gamecube
super nintendo
morrigan from darkstalkers
godzilla
hatsune miku
alphonse from full metal alchemist
storm trooper
one of the yu gi oh characters (not sure if antagonist or protagonist, I was never into that one)
the cat bus from my neighbor totoro
