The warrior is the main character of This Is Not A Minimalist Game.
The warrior wears a viking hat with an orange beard. He has a brown shirt with blue on the shoulders a blue belt and grey pants (possibly armor)
The warrior was on a quest for 100 wizard heads. When he got the last one, the world transformed people and scenery into minimalistic squares. He returned the world back to normal, but then he and an NPC created a 3D cube. The warrior eventually destroyed the 3D cube, creating a 3D world.