Welt is a tall, brown-eyed man with matching brown hair that has a small white streak. He wears a grey and white dress coat with a scarf and black armour on his chest. He also wears glasses that aren't necessary, dark brown pants, black shoes, and a black glove on his right hand. He often dons a simple outfit: a dress shirt, pants, a scarf, belt, and a long coat. His scarf, pants, and shoes are all black, while his shirt and inner coat are white.