Peter Keefe, best known for his work with the children's series Voltron: Defender of the Universe, has died from throat cancer, according to The Hollywood Reporter.
Keefe, 57, created Voltron in the '80s by adapting two Japanese animated series "Go Lion" and "Dierugger." The animated show went on to become the No. 1 children's series in syndication in 1984 and '85.
Watch videos of Voltron
Beginning his career as a movie critic for PBS, Keefe later went on to develop such animated series as Denver, the Last Dinosaur, Widget, Twinkle and The Mr. Bogus Show.
He is survived by his wife, Pamela Mills Keefe, and a stepson.
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