Mario is the main protagonist of the Super Mario series as well as one of the original veteran fighters in Smash Bros. He returns to fight in this game.
- Neutral Special: Flicks a ball of fire to whatever side he's facing. This fireball can bounce on the group 4-7 times before burning out, and can also jump pits and other obstacles. It does 7% to 10% damage per Fireball. It can easily be dodged by shielding, rolling, or short-hopping. It is also a buff from previous titles.
- Side Special: Mario swipes his cape to attack opponents. It does 18% to 25% damage per swipe. It has high power but short range.
- Up Special: