Metal Knuckles, as seen in "Sonic R"
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Metal Knuckles (メタルナックルズ Metaru Nakkuruzu) is a robotic version of Knuckles who appeared in...
Title screen artwork, featuring Sonic, Tails, Knuckles and Eggman. Sonic
This game proves that Mario games/any game in general are more than just random stages and props...