Either I read the question wrong or I am right, I think he said do you use characters that come already on Brawl, or people you have to WIN or UNLOCK, but I will answer the question and the misinterpreted one also.

I play with unloackable and I must win with Wolf and Luigi...

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People who make this site bad: Kiba, nhdog103, snakepittbrawlfan, sonicboy, Ninboy. Please don't erase this, its my opinion and I will continue to re-post if if it gets removed.