Kerrie Mitchell
May 28, 2010 AT 08:21 PM EDT

Animation producer Peter Keefe died of throat cancer yesterday at his home in Rochester, N.Y. He was a prolific producer and creator of children’s entertainment and was best known for his mid-80s hit Voltron: Defender of the Universe. He also produced such U.K. shows as Widget, The Mr. Bogus Show, and Twinkle.

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