Kōhei Miyauchi (宮内幸平, born August 4th, 1929 - June 2nd, 1995 as Takayuki Miyauchi) was a Japanese voice actor who provided voices in the Japanese version of Thomas & Friends.
He voiced in various animes, including Kinoko Sennin in Super Mario Bros.: Peach-Hime Kyushutsu Dai Sakusen!, but he is most famous as the original voice to Master Roshi from the "Dragon Ball" series.
He died on June 2nd, 1995 in hospital as a result of abdominal varices.
- Troublesome Trucks (Percy and Harold)
- Sir Topham Hatt (first - fourth seasons)
- The Vicar of Wellsworth (second season only)
- I'm Thomas the Tank Engine (performed)