One-Headed One-Triangled Man

This doodle originally appeared on my Tumblr. You can view the original post here: personaltumblr.laurelgreen.com/post/41405169849/one-headed-one-triangled-man.

a drawing of a man with a head and a triangle on his shoulders
Gah!?

Being headbutted by one of these heads is worse than with the other.