Metal Luigi is the metallic counterpart of Luigi that debuted in Super Smash Bros. Melee and Super Smash Bros. Brawl, as a mid boss. He appears after unlocking Luigi, the player then goes in a combat with him and Metal Mario. Beating them gives the player 8000 points. The player can play as Metal Luigi by picking a metal box while playing as Luigi or choose Metal Brawl in Super Smash Bros. Brawl.

Trivia[]
- If the player picks up a Gold Flower while playing as Luigi, the player can turn into Silver Luigi, which makes him identical to Metal Luigi.