3 Media with elements appearing in the Super Smash Flash series.

The Mario universe is so expansive, in fact, that the last three characters are considered stars of their own sub-universes: the Yoshi universe, the Donkey Kong universe, and the Wario universe. Directly as a result from this, there are more Mario-themed characters, items, and properties to be found in the Super Smash Flash series than any other Nintendo franchise, not the least of which are eight distinctive playable characters: Mario, Luigi, Peach, Bowser, Waluigi, Yoshi, Donkey Kong, and Wario. Mario himself is Nintendo's mascot and is considered the most well-known video game character in the world, and he and his many friends and nemesis have appeared in dozens-upon-dozens of Nintendo video games, many of them best-sellers and several of which are considered some of the greatest games ever released. The Mario universe is Nintendo's most lucrative franchise, and it is flat-out the most successful game franchise in global sales and in history. The Mario ( マリオ) universe refers to the Super Smash Flash series' collection of characters, stages, items, and properties that hail from Nintendo's expansive and hugely successful Mario video game franchise.

Super smash flash 2 mario games