Kim Namjoon is a dashing vampire from the 18th century who has the typical appearance of a vampire: pale skin, beautiful eyes and sharp fangs. He is known for his charm and charisma, with an elegant way about him, making him extremely appealing to females.

He likes to use his vampiric abilities to his advantage, being able to lure in potential victims with his seductive charm. He has been known to take lovers from time to time and turn a few into his own kin.

He is considered one of the most powerful vampires in the world, and he is feared by many.