By Liz Raftery,
Allegretti died on July 26 of emphysema at his home in Arizona, his attorney announced this week.
Allegretti started working on Captain Kangaroo, which premiered on CBS in 1955, as a set painter, but later replaced the show's puppeteer. Among the characters he created were Bunny Rabbit, Mister Moose, Rollo the Hippopotamus, Miss Frog, Dennis the Apprentice and more. He also brought some characters including Bunny Rabbit and Mister Moose to Mister Rogers' Neighborhood in the early 1970s.
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