After replacing Alan Reed as the voice of Fred Flintstone, Corden took some time to learn the voice because he had to imitate Reed as close as possible, learning by listening to tapes. In later years he made the character more his own and less imitative of Reed, gearing it closer to the character's inspiration of Jackie Gleason's Ralph Kramden character on "The Honeymooners."
Developed a friendly association with Boris Karloff while making his film bow in The Secret Life of Walter Mitty (1947). He played Karloff's boorish henchman. in the movie. Karloff more or less took Henry under his wing and worked with him in a couple of subsequent other projects.
Father of two children from his first marriage, and father of three stepchildren from his final marriage. Had five grandchildren.
Following his death, he was given a special mention by Jay Leno in one of his opening monologues on the "Tonight Show."
Interred in San Fernando Mission Cemetery, Mission Hills, California.
Interviewed in the book "A Sci-Fi Swarm and Horror Horde" (McFarland & Co., 2010) by Tom Weaver.
Performed on the live stage frequently with good friend Buster Keaton.
Survived by two daughters, Dawna and Robyn, from his first wife Thelma, and three stepchildren from his 10-year marriage to fourth wife Angelina--Erik, Derek and Monica.