Taikou Katoono, also known as Taiko Katono, is a Japanese actor and model who was born on October 27, 1992, in Sendai, Miyagi Prefecture, Japan. He began his entertainment career after winning the prestigious 23rd JUNON SUPER BOY CONTEST in 2010, an achievement that launched him into the industry as a model and subsequent actor. In 2012, his early promise was recognized when he was named the most anticipated actor under the age of 22 by The Television magazine.

Katoono is primarily known for his extensive work in live-action television and film, with his breakthrough role being the character Chase, also known as Mashin Chaser and Kamen Rider Chaser, in the popular. He portrayed this character across the television series and several subsequent films, which forms a core part of his on-screen acting career.

In the realm of anime voice acting, Katoono has a credited role in the. In this production, he provided the voice for the character Execution Department Junior, appearing in five episodes of the series. This voice role is noted as a distinct entry in his filmography alongside his live-action performances.

Beyond this specific voice role, his professional activities are deeply rooted in his career as a stage and screen actor. He has appeared in numerous television dramas such as 35-sai no Koukousei and Marry My Husband, as well as films and stage plays. His work is often connected to the tokusatsu genre, particularly through his long-standing association with the Kamen Rider franchise, which includes reprising his role as Chase in Kamen Rider Zi-O in 2019. He was formerly affiliated with the agency Ever Green Entertainment and has been active as a freelancer since March 2019.