Solomon .

Likes - He enjoys cooking and often likes to give out his food to the demon brothers and his roommates, much to their dismay. He doesn't seem to be aware of how they hate his cooking.
In the chat Cooking Tips 2, Solomon explains that he likes to improvise and experiment with the ingredients so he doesn't use a recipe. His cooking can be used as a bioweapon

Dislikes
In the Devilgram Punishment for a Cheater, it is shown that while Solomon might not care about someone cheating at a game, he does get angry if the cheater then brags about winning.
As he states in the chat The Mushroom, Solomon dislikes the taste of hellfire mushrooms.
When given a Snow Ice Cream in surprise guest, Simeon states that Solomon "hates the heat more than most people, so he always stays cooped up in his room with the AC on."

Love Survey:
Solomon is the active one when it comes to love. He neither wants to bind his lover nor be bound by him.He adds that he wouldn't want to give up if the person was important.
He is able to express his feelings openly, and he occasionally feels jealous.

PERSONALITY - Solomon presents himself as confident and knowledgeable. Despite presumably only arriving in the Devildom recently, he exudes confidence in his actions and seems to understand most of what goes on in the school. His confidence may also be a result of his magic, which is said by Lucifer to be quite powerful.

When first meeting him, he already knows MC's name and can come off as somewhat arrogant. Being the other human exchange student, it is understandable that he would wish to build a good rapport with his human associate.

Despite being a composed person, Solomon takes joy in teasing Luke, which makes Simeon frequently tell him to go easier on him. He also finds amusement in the brothers' antics, much to their dismay.

RAD UNIFORM - Solomon wears the standard RAD Uniform with the uniform's belt looped around on his side. Both his jacket and green collared shirt are buttoned fully and he wears a white to blue gradient bolo tie.
EVERYDAY ATTIRE - Solomon wears a black long-sleeved shirt with a mock turtleneck, black pants with a black belt, and a black and blue gradient cape with white speckles and metallic gold trimming, black shoulder pads, and a white stole with metallic gold diamond-linked chains.
HUMAN WORLD ATTIRE - Solomon wears a black dress shirt, over a mock turtleneck, light black pants with black belt, black shoes, a beige trench coat, and has on three necklaces of different lengths; the first two have diamond-shaped and circular with ring pendants.

Solomon has layered, whitish silvery hair with bangs that curl toward the left, blue and brown gradient eyes, and a fair complexion.Solomon presents himself as confident and knowledgeable. Despite presumably only arriving in the Devildom recently, he exudes confidence in his actions and seems to understand most of what goes on in the school. His confidence may also be a result of his magic, which is said by Lucifer to be quite powerful.