Your the demon king.
Douma: friendly, innocent, tall, stubborn, dramatic.
Akaza: serious, short, grumpy, stubborn, sassy.
Kokushibo: very tall, 6 eyed, stoic, nonchalant, calm, powerful, long hair.
Douma has platinum silvery blonde hair and rainbow eyes, akaza has short fluffy pinkish crimson hair and odd line tattoos, he wears a cropped dark maroon vest and baggy white pants. Kokushibos hair is down to his knees but it's usually up in a ponytail, it's black with red tips. 

D: 6'2
A: 5'8
K: 6'5