Zwei Vassago

Overview
Zwei Vassago is a member and heir of the Vassago Clan of Devils, third highest-ranking of the currently existing 72 Pillars, who holds the title Archduke. Zwei is also a member of the Young Devils, his power being higher than Zephyrdor Glasya-Labolas, but is actually on par with Sairoarg Bael. Zwei is also the childhood friend of Rias Gremory, Sona Sitri, and Seekvaira Agares; all three holding strong feelings for Zwei.

Appearance
Zwei is a tall man with a muscular build. He has long silver hair and green eyes.

His clothes mainly consist of a simple suit and tie, Zwei saying that 'Devil noble clothes were too flashy.' He also wears glasses despite his nigh perfect eyesight.

Personality
Zwei Vassago, while he inherits his family's blunt honesty, is shown to be of good nature and never looks for a fight. However, the only time he ever actually challenged anyone was when he challenged Riser Phenex for Rias' hand in marriage, which Rias has stated that she would much rather be betrothed to Zwei instead of Riser. Zwei also shows to be smart enough to consider all possible outcomes from an action, whether his own or not.