The scary thing is that the answer is probably no. See more neatness at AIBento edit:: Just came across another site... I think actually THIS is the cutest one on earth. I am a bit biased. CATBUS! See more of Anna The Red's at Wired.
Wow, these look so easy, and would be fun to make with the kids! All you need is sushi rice, an onigiri mold (found here: http://www.kitchenova.com/Rice-Mold-5-Bite-Sized-Rolls_p_176.html), a nori sheet, and some clean scissors.