Also known as: PoH, プー, ヴァサゴ・カザルス
An antagonist in Sword Art Online, whose real name is Vassago Casals. He is the dreaded founder and former leader of Laughing Coffin, a guild of murderers, before joining Glowgen Defense Systems under the command of Gabriel Miller. Has an obsessive hatred of Kirito.
His avatar's appearance is identical to his real-life appearance, with Brown Hair, Dark Skin, Red Eyes and a blue tattoo on the right side of his face. He also wields the Mate Chopper, a dagger resembling a Chinese Kitchen Knife, which becomes stronger with every player it kills.
The word "PoH" (pronounced "pooh") is an abreviation of Prince of Hell