Anecdotes

Older brother of Rokurô Naya.

Voiced Sam the Eagle in the Japanese dub of 'The Muppet Show', alongside Yasuo Yamada as Kermit the Frog.

Like Yasuo Yamada, he was angry at being replaced for 'Lupin III: The Fuma Conspiracy'.

He was a fan of the Hanshin Tigers.

His hobbies were sake and baseball.

Japanese dubbing voice for Charlton Heston, Clark Gable, John Wayne, & Rick Jason.

Was best known as the voice of Inspector Koichi Zenigata in the Lupin III anime franchise which he has done for 41 years until he retired from the role.

He attended Yasuo Yamada's funeral. When he saw Yamada's picture, Naya tearfully said in his Zenigata voice, "Hey, Lupin, who should I chase from now on? Who should I chase if you die?".

He despised the term "voice actor", as he felt that voice acting was just as worthy as acting on stage or screen.

He was a supporter of the Japanese Communist Party.

He was hospitalized for a gastric ulcer in March 1985 during the broadcast of "Lupin III: Part III" and underwent surgery to remove half of the gastrointestinal tract.

Voiced the Chairman Mouse in both the 1981 and the 2000 dubs of 'The Rescuers'. He also reprised his role for the dub of 'The Rescuers Down Under'.

Provided audio commentary in the place of Peter Shaffer for the Japanese Blu-Ray of 'Amadeus' (1984).

Voiced the King in the Japanese dub of 'The King and the Mockingbird'.