X

Appearance
X is a flame elemental that has a ball of fire, giving off an ember effect, for a head, and on his face is a giant white X. Despite is head being fire, his hands are not. He wears dark, round sunglasses that appear to be separated by the X on his face. X also wears a maroon suit of armor along with a orange cape.

Abilities
Since, X is the fire elemental he has the ability to control fire at his will. He also knows how to control a tank.

Trivia
Steve Wolfhard included X to give closure on Flame Princess.