Ikkei Watanabe

Ikkei Watanabe Profile Photo

Characters played by Ikkei Watanabe

Hiromi Koribayashi — Suspect X (2008)

Yukawa's loyal laboratory assistant, provides technical support and emotional grounding

Doctor Banana — SPEC: Close Reincarnation (2013)

A distinctive supporting figure associated with the film's strange cases and unconventional revelations.

THE WIDE producer — Gamera 3: Revenge of Iris (1999)

TV producer associated with a news program.

Commander Shigemura — Ultraman Cosmos: The First Contact (2001)

SRC commander providing strategic leadership and tactical support.

Asakura — Muscle Heat (2002)

A police superior who warns Ayane that Joe is a dangerous weapon and may be involved in Blood Heat's circulation. He is later revealed to be working with Kenjin. When Ayane confronts him, a scuffle ends with her shooting him.

Dad (voice) — Magic Candies (2025)

Dong-Dong's father is strict and has many rules and expectations for his son. After Dong-Dong eats a candy connected to him, he hears his father's affectionate, loving thoughts. Moved by what he hears, Dong-Dong gets up and hugs his father, showing that he appreciates and returns his feelings.

Doctor Banana — SPEC: Close~Incarnation (2013)

Eccentric informant providing cryptic clues and narrative bridges between plot points.

Ucchi's father — Kisarazu Cat's Eye: World Series (2006)

Ucchi's father, appearing in the World Series.

Hiromi Kuribayashi — Galileo XX (2013)

A recurring figure connected with the investigative world surrounding the Galileo cases.

Career Overview

Ikkei Watanabe has 110 screen credits in a career dating back to 1992. Their work spans 12 cinematic universes — most prominently Butt Detective Collection with 5 titles. Signature works include Butt Detective, Galileo, Liar Game. 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
110
Birth Date
1962-10-27
Birth Place
Toyokawa, Aichi, Japan

Known For

Associated Universes

Universe traveler — spans 12 universes

Frequent Collaborators

Credits