Dogtooth is a dog-like humanoid creature with a spiky head. It is revealed in his debut that his teeth are in fact knives. Dogtooth appears to be cold, angry and distant. He is generally reserved, maintaining an aura of mystery around him. His coldness manifests through a lack of empathy. His violent nature can be explosive and unpredictable, making him an intimidating and dangerous figure to those around him. Dogtooth also appears to be impulsive.