User:DatDereKingDedede

Basic Overview

DatDereKingDedede is a user on the Online Sequencer app who is fairly unimportant but mostly relevant on Online Sequencer.

He joined February 2nd, 2026, just two days before he actually became 13 years old.

Originally going by the starting names of MX and SmollMarioGuy, he started out as a half-composer focusing on Deltarune and Undertale remixes. Before later branching out to try to make original songs and go to other game songs, such as Kirby, Donkey Kong Country, Street Fighter, and Mario & Luigi: Bowser's Inside Story.

Somewhat Achievements/Feats

He uploaded over 185 sequences in the span of only 1-2 months.

And he reached a decent following in a fair amount of time.

Music

Just go to his account and check his description to see his good music.