Kaiju No. 8 Characters — Main Cast Guide

Complete guide to all 3 characters in Kaiju No. 8 — main cast, supporting roles, and antagonists. Each character page includes voice actor info, abilities, first episode appearance, and community fan ratings.

Filler List Watch Order Powers & Abilities News & Updates

Main Characters

K

Kafka Hibino

Main · Ep 1
VA: Masaya Fukunishi

A 32-year-old kaiju-corpse cleanup worker who gave up on joining the Defense Force years ago. After a parasitic creature transforms him into a humanoid kaiju he can control, he enlists — hiding the secret that he's become the exact kind of monster he's meant to fight.

M

Mina Ashiro

Main · Ep 1
VA: Asami Seto

Kafka's childhood friend, now captain of the Defense Force's elite Third Division. Her prodigious skill and rank put her in direct conflict with the secret Kafka is desperately hiding from her.

R

Reno Ichikawa

Main · Ep 1
VA: Wataru Kato

A rookie Defense Force recruit who befriends Kafka during training, unaware he's fighting alongside the kaiju the Force is hunting. His genuine admiration for Kafka adds real weight to the secret Kafka is keeping from him.

⚠️ Character information is collated from multiple sources and may contain inaccuracies.