4chan is a secretive cult/website crew in the MyMusic universe. They are so secretive they will "kill" anyone who so much as refers to him by name (they don't kill people really, they just kill all their 4chan avatars). Following along with this, whenever they're referred to by name it's bleeped out and if their name is shown written on screen it is covered. In the story arc that runs from One Will Die to You're Fired, they set Scene on her identity crisis by killing her avatars, without which she seemingly cannot maintain her Scene persona. So far they have appeared in One Will Die and The Funeral (they also started a second attack at the end of You're Fired) and have been mentioned in You're Fired and The End? (the latter being indirect)