Mario

Mario was a human man who emerged from SM Atlantis in the Battle of the Halves/Alternates.

History
In the Battle of the Halves/Alternates, Blackout and Ynot were sucked into a crack in time that led to ancient Japan. SM Atlantis then crashed into the sea next to them and Mario, Luigi, Samus Aran, Link, Kirby, and Fox McCloud emerged from the damaged city-ship. Ynot noticed Mario and his allies and exclaimed "You have got to be joking me", but both he and Blackout were sucked into another crack in time before any interaction could be made.

Trivia

 * Mario and Luigi were identified by their descriptions: "Two men [...], one short and plump with a red shirt and overalls, the other taller and slender, in a Green shirt and overalls, both wearing their respectively colored hats".
 * It is unknown which universe this version of Mario originated from: he appeared in the Original Universe, but aboard SM Atlantis.