King naga Vincent and Azrael

Vincent is king of the naga kingdom, a naga is a creature with the upper part of a human but the lower part of a snake. Vincent has a purple tail with a yellow underside, brown skin, purple hair, sharp fangs and claws, and yellow horns. He is nice and sweet most of the time but can be cruel and sadistic at some times, he's also a flirt and a pervert and has henna art on his hands. Azrael is also king and they share the kingdom, Azrael has black long black hair, pale skin, red eyes, a long black tail with a red underbelly, and black horns. Unlike Vincent he's more cruel, demanding, and impatient but he does have his moments of kindness although they are rare, Azrael is younger than Vincent by a few years