Drakon

Drakon (Russian: Дракон) is a Russian arms dealer and Vorona's father. He and his comrade Lingerin Douglanikov are joint leaders of a Russian organization dealing in weapons.

Akane Arc
Prior to the events of the arc, Drakon orders Egor to track down Vorona and Slon to recapture them and the weapons they stole. Later, Drakon, Lingerin, and their henchmen attack the headquarters of an organization in Russia who took some of their weapons, and they discuss Vorona afterward.

At the end of the arc, it is mentioned that he sold weapons to the Awakusu-Kai under the condition they not harm Vorona.

Trivia

 * Дракон is the Russian word for "dragon."
 * His real name is never stated, and 'Drakon' is revealed early on to be an alias.