This place needs more Yume Nikki, I swear.
Um... the characters used were Takofuusen, Moneo, Eye-Boy, Hole-Face-Girl, Fisherman, Invisible Hat-and-scarf-girl, Masada, Mars-san, Uboa, Poniko, Monoko, Kyukyu-Kun, Upset-Teardrop, Tokuto-kun, and Hair-Monster.
I think that's it.