Age: 28-29
Height: 183 cm
Birthday: September 17
Sign: Virgo
Blood Type: O
Likes: Cigarettes, intimidation, interesting people
Special characteristics: takes a long time in the bathroom
Yami is a large man with a muscular build, wild brown hair with the front brushed back, small eyes, a mustache, stubs on his chin, and a thick neck. He is also mostly seen smoking.
Yami also wears a black tattered cape with the black bull emblem on it and a strap around his neck, over a white tanktop, along with a book belt around his waist, black pants under light colored chaps, and black boot.
(Source: Black Clover Wikia)