Fireball (Mario)

Fireball (ファイアボール, Faiabōru) is and 's standard attack in Super Smash Flash and 's standard special move in Super Smash Flash 2. Mario and Luigi release a fireball from their hands. The Fireball is a common projectile in the Mario series that can be used when Mario or Luigi receive a Fire Flower. In the original Super Smash Flash, neither Mario nor Luigi's fireballs were affected by gravity; in Super Smash Flash 2, however, Mario's is affected by gravity. As noted that in the original Super Mario Bros., Mario's Fireball would continue to bounce forward until it hit an enemy, or a wall. Each fireball does 5% to the opponent. In SSF2, the fireball will wear out should it not hit anything.

Origin
The Fireballs first appear in Mario Bros. as a enemy, Mario or Luigi first uses the Fireball ability in Super Mario Bros., with the Fire Flower.