Leo De Lyon

Irving Levin (April 26, 1925 – September 18, 2021), known professionally by his stage name of Leo De Lyon, was an American actor best known for his roles as Spook and Brain in the prime-time animated series Top Cat.

Career De Lyon co-starred with Bob Haymes and Dorothy Loudon in the DuMont Television Network sitcom It's a Business (March–May 1952). His specialty on this show was singing and whistling two different tunes – notably the Farandole from Georges Bizet's Arlesienne Suite – at the same time.

He appeared at the London Palladium in 1956 with the Platters and Lonnie Donegan.

In 1961, he voiced Spook and The Brain in the short-lived Hanna-Barbera primetime animated sitcom Top Cat. He was the last surviving cast member of the original Top Cat.

Film The Man Called Flintstone (1966) – performer: "The Happy Sounds of Pareé" The Jungle Book (1967) – Flunkey (uncredited)

Television and other Captain Kangaroo, episode unknown (1956) – Moving Man The Flintstones, episode "The Beauty Contest" (1961) – John / Charles / Lucky / Lodge Member / Man #1 / Big Louie Top Cat – Spook / The Brain (1961–1962) Bewitched, episode "The Short Happy Circuit of Aunt Clara" (1966) – Jenkins Jack and the Beanstalk, TV special – Woggle-Bird (1967) The Incredible Hulk, episode "King of the Beach" (1981) – Trainer Paw Paws - Additional voices (1985–1986) The Smurfs – Additional voices (1986) Foofur – Additional voices (1987) Top Cat and the Beverly Hills Cats, TV movie (1988) – Brain / Spook Back to Hoagy's Alley: The Making of 'Top Cat''', video short (2004) – HimselfCool Cats in Interview Alley'', video short (2004) – Himself