Joseph Mazzarino (born June 4, 1968) is an American puppeteer, actor, writer and director. He is best known for his roles on Sesame Street as Murray Monster, Stinky the Stinkweed and other Muppets. Mazzarino was also the head writer for the show in 1992.

For Nickelodeon, he played the roles as Boogie Woogie, Roary, Sprinkles on Blue's Clues and Blue's Room, Flexy from the "Little Big Room" segments, and the Brachiosaurus on Team Umizoomi.

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