Joseph Mazzarino began working with the Muppets™ in 1989 and has been performing and writing for Sesame Street since 1990. He performs a number of characters on the show including Murray, Stinky the Stinkweed, the Two-Headed Monster, Papa Bear and Horatio the Elephant. Mazzarino’s writing credits also include The Upside Down Show, Sheep in the Big City and Bear in the Big Blue House. He has co-written screenplays including Muppets in Space and The Adventures of Elmo in Grouchland. He also wrote and performed the first ever Henson direct-to-video feature Kermit’s Swamp Years. In 2010, Mazzarino won an Emmy Award for Outstanding Performer in a Children’s Series for his performances of Murray, Stinky and Blogg.