Decim (デキム Dekimu) is the bartender of Quindecim and an acting arbiter for the dead.

Appearance:
Decim is a tall man with pale-colored skin and bright blue eyes. His white hair is messy, with most of his long uneven bangs covering the right side of his face.He wears a bartender uniform consisting of a white long-sleeved button shirt overlaid with a black vest and a red bow tie. On the bottom, he has black pants with a black apron atop and a pair of black leather shoes. He puts a pin on the left side of his vest.

Personality:
Decim appears to be emotionless and serious during his jobs, unless something out of the ordinary or shocking happens. He is very detached in his manner of speech, and would rather not bring personal feelings to the table. He takes pride in his role as an arbiter, and is always respectful towards guests, especially to those who lived their lives to the fullest.

Death Parade Summary:
"Welcome to Queen Dekim." What greets two unsuspecting guests is a strange bar, Queen Dekim, and the white-haired bartender, Dekim. "From here you two shall begin a battle where your lives hang in the balance," he says to introduce the Death Game. Before long the guests' true natures become apparent. As a matter of course, at the game's end Dekim is revealed to be the "arbiter." Dekim's judgement on the two guests is..

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Summary & Info: http://kissanime.com/Anime/Death-Parade
http://death-parade.wikia.com/wiki/Category:Characters