Some of his roles included Mermaid Man and Squidward Tentacles from "Spongebob Squarepants", Wallace Hartley from "Titanic", Professor Xavier from "X-Men: The Animated Series", and Chucky in the "Child's Play" Series. He is also the younger brother of the late Japanese voice artist, Gorō Naya.
He died on 17th November 2014 due to complications from pneumonia.
- Sir Topham Hatt (Calling All Engines! - Samson at Your Service, excluding Tale of the Brave)
- Sir Lowham Hatt (thirteenth series only)
- Where, oh Where is Thomas? (performed as Sir Topham Hatt)
- Naya was one of the few Japanese voice actors to appear both in Thomas and its sister show TUGS, in which he voices Captain Star, Bluenose, Izzy Gomez, Billy Shoepack, The Pirate Tugs, and The Fuel Depot.
- He was the longest Japanese voice actor to play Sir Topham Hatt to date.
Major awards and nominations
- Won - Achievement Award at the 8th annual Seiyuu Awards, 2014