MX is the main antagonist of the 2021 creepypasta platformer video game Mario '85. He's an ancient demonic spirit who inhabited a copy of Super Mario Bros. and disguised himself as a monstrous eyeless version of Mario himself in order to lure unsuspecting players/victims into the game and play with for all eternity.

MX is a Mario-based horrorbrew who originated the creepypasta-styled Mario fangame called Mario PC Port/Mario '85. He actually appeared in Mario's Madness and is shown to torment Lucas in his original game.

MX is a horrorbrew owned by @RazzDazzleDoo. He is the main antagonist in the Creepypasta game Mario '85, which is meant to be a love letter to the original Super Mario Bros. game.

MX is a horrorbrew created by frazzdude now owned by @RazzDazzleDoo. He is the main antagonist in the Creepypasta game Mario '85, which is meant to be a love letter to the original Super Mario Bros. game. MX has three appearances that are shown in Mario '85; "False Hero", "Pipe Crawler/Fake Fighter", and his full appearance "MX".

MX is a giant, fearsome Mario who appears in both “Powerdown” and “Demise.” In Powerdown, Boyfriend and Girlfriend encounter MX in his False Hero form, and he transforms into his true form at the beat drop.

Mario '85 is a horror fangame in the Super Mario Series, debuting MX as the game's main antagonist. The game's first demo released on 1st December 2021, under the name Mario PC-Port.

MARIO '85 (Previously known as MARIO PC PORT) is a Super Mario Bros. horror game based on Sonic PC Port. It is directed by RazzDazzleDoo. Your name is Lucas. You're 8 years old. You were just playing Super Mario on your NES, when suddenly, a flashing light came from your TV.