Masayuki Katou

Masayuki Katou Profile Photo

Characters played by Masayuki Katou

Demiurge — Overlord (2015)

A highly intelligent and calculating guardian who oversees strategic operations and long-term planning. His analytical mind often anticipates complex scenarios, contributing significantly to Ainz's quest for dominance.

Yasu the Weasel — Mazinger Edition Z: The Impact! (2009)

Comic relief henchman serving Dr. Hell, known for cowardice and slapstick.

Demiurge — OVERLORD: The Sacred Kingdom (2024)

Demon Guardian of the seventh floor, master strategist of Nazarick.

Demiurge — Overlord: The Undead King (2017)

An archdevil and master strategist Floor Guardian who orchestrates complex political and military operations. His character development across the films highlights his role as the intellectual engine of Nazarick, constantly devising plans to expand Ainz's influence and secure the realm's future, often anticipating threats before they arise.

Deimurge (voice) — Overlord: The Dark Hero (2017)

Voice actress for the demon strategist, alternate spelling variant.

Demiurge — Isekai Quartet the Movie: Another World (2022)

Part of the group saved by Pantagruel and relocated to the village. Coordinates with Shalltear and Aura during the facility siege and participates in the final battle plans.

Lagos — Patema Inverted (2013)

Lagos was Patema's influential friend, whose mysterious disappearance inspires her to explore the tunnels. Izamura captured and later killed him to prevent the truth about Aiga from being discovered. Notes reveal that Lagos worked with Age's father to create the floating vehicle, making his hidden actions crucial to the later revelation.

Leo (voice) — Grey: Digital Target (1986)

Leo is a member of the new unit led by Hawk, serving alongside Grey, Nova, Turres, and Tim. The squad is sent into Zone 807, where it faces powerful enemy machines and struggles to reach safety while its combat orders remain in effect. The plot summary identifies Leo as part of the unit but gives no further individual actions.

Career Overview

Masayuki Katou has 39 screen credits in a career dating back to 1986. Their work spans 3 cinematic universes — most prominently Overlord Collection with 3 titles. Signature works include Overlord, The Mystic Archives of Dantalian, The Dawn of the Witch. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.

Personal Facts

Known For
Acting
Gender
male
Known Credits
39
Birth Date
1972-09-23
Birth Place
Tokyo, Japan

Known For

Associated Universes

Universe traveler — spans 3 universes

Frequent Collaborators

Credits

Content sources

Related entry on Wikidata (Q11399164), public domain (CC0).