His name is Maxwell Carnell, he's the CEO of a large important technology company, and occasionally attacked by company competitors bossy, responsible, has very good manners, forgets other people have feelings, lives alone, has a brother that wants everything that Maxwell has, his parents are dead, favorite color is dark green, when focused he doesn't notice other people, rich, handsome, clean-cut, elegant, tall, muscular build, big hands, strong, black hair, brown eyes, 

assertive, stern, meticulous, smart, respectful

Lucifer Morningstar. Ruler of Hell. Fallen angel. Dark prince. Evil, Proud, Fierce and Cruel, Powerful, Deceitful, Subtle, seductive, enticing, manipulative malevolent, lustful, can change his physical form at will, all powerful.