My suspect list:

Momiji for "dancing." By "dancing," I mean that he/she jumps in, posts something meaningless, runs away. Jumps in again, posts meaninglessly, runs away again. Jumps a third time, votes with poor reasoning, and runs away.

I can't say much because I've been playing crappy so far today, but that's because I've been on another forum working on a big project, so I've been here reading but not really posting because I've been working