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You didn't mentioned who is the author of the model. If model is ripped/stolen from the game the answer is no, you can't use it in any way because that model should not be available to you or anyone else in the first place. If it's a fan created free model it should be ok, but then again I would try to find and contact the author before usage.
I've looked into the author a bit more and it really seems that all the posted characters are ripped out straight out of the original games so I wont be using it. Thanks for the answer Tobias and have a good one!
