Ryūji Saikachi was a Japanese actor and voice actor born on March 27, 1928, in Tokyo, and he passed away on September 29, 2017, also in Tokyo. His career in the entertainment industry spanned over five decades, from 1958 to 2010. He was known for a unique vocal style that was partly developed during his military training, where he was required to be quite loud.

Throughout his extensive career, Saikachi took on numerous roles in anime, film, and tokusatsu television series. Among his most notable voice roles was Matthew Cuthbert in the 1979 anime series Anne of Green Gables, a part he played across all 43 episodes. He also voiced Obiwan Senobi in the. Shiina in the 1991 original video animation (OVA) Mermaid's Forest, part of the Mermaid Saga. Other roles included Mage in the fantasy OVA Legend of Lemnear and Chuzo in Fūsen no Doratarō, as mentioned in the query.

In addition to these roles, Saikachi had a significant presence in other popular series and films. He voiced Grand Kai in the 1995 film Dragon Ball Z: Fusion Reborn. He was a regular in the Kamen Rider franchise, with one of his favorite roles being the Mole Beastman in Kamen Rider Amazon. His filmography also includes a role as an Old Engineer in Hayao Miyazaki's Castle in the Sky and as a homeless man in the acclaimed film Tokyo Godfathers. On television, his later work included a role as an Old Man in the 2004 series Paranoia Agent.