Mega Mario is one of Mario's custom Final Smash in Super Smash Bros. Twin Fists. It causes him to turn into Mega Mario from New Super Mario Bros, gaining immense strength. Turning into Mega Mario results in the following effects... * Mario becomes 8 times as heavy * Attacks deal a lot more damage * Thrown items go farther and to a lot more damage * Greatly increases falling speed * Increases running speed * Stepping on foes damages them * Mario's voice is slowed down