Gyasa deserves a mention, simply because he managed to kill Sago and Kutal, which lead to first formation of Mushrambo.
Mushra: I'm looking at a ghost. This battle is already finished.
Gyasa: If you fight like your friends you won't stand a chance.
Mushra: They sacrificed themselves on purpose, now I have their card power. All to protect Yakumo. Hyper Flame Mushrambo!