He's a mario version that wants revenge from Luigi/Laurise, who left him for gacha games (genshin, Honkai StarRail, etc.).
He basically was inside the Super Nintendo and rotted there, waiting to laurise and lying in patience, until he realized, his player left him
for games like genshin
SCUMMY GAMES THAT SERVE NOTHING BUT LETTING THE PEOPLE WHO LIKE THEM SPOIL THEM UNTIL THEIR MONEY IS OUT
M got paranoid and Hysteric unti lrevenge time came
he's usually a gentle spirit but can be angered easily