Career
He usually played the roles of animals or monsters. He is best remembered for his recurring comic role as The Cookie Bear in the The Andy Williams Show from 1969 to 1971. Prohaska also appeared more than once in such television series as The Outer Limits, Bewitched, I Dream of Jeannie, Lost in Space, and a few episodes of Gilligan"s Island, where he plays a gorilla and his only credited role appears in the episode “Our Vines Have Tender Apes”.
In 1967, he also appeared as a white gorilla in the fourth season of the sci-fi television show Voyage to the Bottom of the Sea in the episode "Fatal Cargo" and Star Trek, although his turns as the Horta in Star Trek"s "The Devil in the Dark", and the Mugato in "A Private Little War" are the best known of these.
He made an appearance as himself on an episode of What"s My Lincolnshire? in 1969, where he wore a monkey costume that he created. in the crash of a chartered Sierra Airlines Convair CV-440 aircraft near Bishop, California while filming the American Broadcasting Company/Wolper Productions television series Primal Manitoba The plane flew into a mountain ridge in darkness, but the exact cause of the crash was never determined.
During the late 1980s revamp of the District of Columbia Comics character Blackhawk by Howard Chaykin, the leader of the eponymous group of World World War II fighters was revealed to be named Janos Prohaska, in tribute to the actor.
