Giga Mac Rush
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Giga Mac Rush is Little Mac's Final Smash in Super Smash Bros. Ultimate, and it replaces his standard Giga Mac Final Smash from Super Smash Bros. for Nintendo 3DS / Wii U.
Upon activating the Final Smash, Little Mac transforms into Giga Mac and stuns any opponents in front of him with an uppercut. He then throws a flurry of punches at the stunned opponents, similar to Donkey Kong's Final Smash Jungle Rush, culminating with another uppercut that launches them upwards.