I find Fake melo behavior the most suspicious till now in terms of posting, the guy started off so strong and stopped posting suddenly right after he got some heat. It could be that he is a very eager C starting a move, following a weak reasoning due to inexperience and abandoning it when no one listened. It could also be that he is an over eager G. It's possible that he was the only active G at the time "going rouge" again due to inexperience, even more possible taking into account that both the start time and the handing out of roles timing was unclear.
I don't know him well enough to judge his reasoning for pointing those people out on so a slim lead, again it might as well be inexperience but for me right till now he did the most obvious "move" an inexperienced G would so I'm voting Fake Melo