Hajime Muroto

Hajime Muroto is one of the main antagonists of ''Gantz. ''He is a young murderer who kills Hobo's for his own amusement alongside his friend, Ryuji Kajiura.

History
Hajime lived with a murderer named Ryuji Kajiura and the two had a hobby of brutally murdering homeless people with baseball bats. He was soon shot with Ryuji by some FBI Agents who caught them with a murdered woman.

They were transported to Gantz world where they had to kill alien criminals in order to live again. Muroto and Ryuji began murdering some of the Gantz team members. Muroto had both Giichi Furuta and Mika tied up to a grenade and if they moved, they'll die. For further torture, Hajime beat her with a leather belt. Although Giichi sacrificed himself and saved Mika. Kuruno eventually confronted Muruto and eventually captured and transported him somewhere with the Y-Gun.

Personality
A juvenile delinquent whose hobbies consists of beating hobo's to death with a Baseball Bat, messing with people's heads by blaming all his actions on someone else and basically killing victims whenever possible. He blames his behavior on his mom for beating him up several times.