Haydn (하이든 in Korean) is a member of Union working under 1st Elder and served as his step-in to fool others into believing he was the 1st Elders and thus hiding the existence of his boss.
Appearence
He is a man with large and tall stature.
Personality
He is shown to be a taciturn and cold-blooded individual.
Background
Not much is known about his background.
