I think it is supposed to look more cartoony/bobble heady than realistic. I wouldn't know who it was if you just handed it to me. I guess I could have guessed, as she is the most famous female MMA fighter.
I think the Tito figure looks like a bobble head. Just like the real Tito.
The Matt Serra one is actual size
The Rich Franklin one doesn't look anything like Jim Carrey, which it should.
Hendo and Silva are the closest:
WTF!!! Is this Cung Le or one of the Village People?