Meta scum? Based on some loose logic and not just my gut, I'd say Xdaamno and you (ryan) would make a pretty good scumpair. So would Sarcastro and Adele. If I had to hazard a guess at the third scum, I'd say Simenon.
I've been thinking about something for awhile. Sarcastro. He hasn't been able to participate in any of the subgames because the submafia keep killing him. Which is odd, because when I was in the Game 1's Submafia, Simenon suggested killing Adele, Pooky, and Xdaamno, but Sarcastro, somebody we hadn't even talked about, ended up dead. I think the metamafia are choosing to sub-kill their meta-scum-partner Sarcastro. Afterall, if he can't talk, then nobody can find him suspicious, as proven by the fact that he was all over the board on the Condorcet voting phase. If I'm right, then both Adele and Simenon are meta-scum, and at least one of them is sub-scum. That's why I'm changing my mind and voting Simenon. I'm choosing him over Adele for no other reason than I've played with Adele before and enjoy her playstyle.
vote: Simenon