Megatron. Nuff said
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ok ill back it up. The badguys usually look cooler and have better charcters if its something like say, Transformers, when theres a group of evil doers vs a group of goodys. But when its one on one (only one main badguy and one (or sometimes a collection) of main goodguys its usually the goodguy whos better (eg: Final Fantasy).
So its a tie......................................or Megatron