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In his debut episode, he orders his meal via a song but Mario got bored and left. He later returns to hit Mario for the bad attitude Mario gave to him.
He appears as one of the contestants who appeared and defeated Sakurai. Since he does not appear again after that, it can be assumed that he was blasted out of the stage.
He appears as a house owner in Wario's segment chasing him out of his house.
He appears getting hit by Mario possessing a Bullet Bill.
He appears as one of the customers happy about the new dip offer.
He appears as the prison cook. While talking with Voldemort, he saw him get attacked by a projectile. Turning to face the projectile's direction, Mario quickly accused Luigi of what happened. Mad, he attacked Luigi, not knowing that Mario used that to poison the food which he later served for the prisoners. He does not appear again after this.
He appears at the Drive-Thru of McDonald's as a customer. He escapes with the food, but without paying. As Big Smoke's about to eat his meal, he is shot by Mario.