Kei Kurono Enemies

The father of the Child Onion Alien. He kills several Gantz hunters in the first mission

The Tanaka-Seijin boss

The boss Alien from the fifth Gantz Mission that was disguised as Brachiosaurus.

Aliens disguised as a variety of statues.

The green alien in the third mission.

One of the 4 leaders of the vampire that wish to kill all the Gantz members.

One of the bum-hunters.He is in the anime only

The alien boss in the third mission.

A teenager who is a cold murderer.He is responsable for killing most of his Gantz team members.

The sixth Gantz Target.

The red alien in the third mission

A student who transferred to the same school Kei Kurono attends. It is revealed he is a survivor of Gantz but wants to continue playing the game.

The alien seen in the fourth Gantz Mission. They were 10 of them but Kei was able to kill nine. The surviving leader tracked Kei to his school and murdered his whole class.

The target in the second mission

One of the Aliens disguised as Dinosaurs during the fifth Gantz mission.