Ghoul is depicted to be a half-human half-fish hybrid as evident where he has fins that sticks out in his head as if they were his ears. For his attire, Ghoul wears a lot of blue-colored clothing such as his hood, his gloves, and his belt, while his uniform, jeans and shoes are black. As for his physical appearance, Ghoul is a fair-skinned hybrid with white hair growing out and covering his right eye.