My biggest one, took over 9 boards if I remember correctly:
One I did recently: Squirtle.
A bunch of them: Yoshi, Dooplis, a glow in the dark Shy Guy, and kirby.
I have a bunch of cave story ones but I lost them. I'll look for them later and take pictures. I also have some papercrafts that I will take pictures of and upload. I should do these again, they're pretty fun.