Stephanie Ann D'Abruzzo is an American actress, puppeteer and singer. She has performed various Muppets in the TV program Sesame Street. She held starring roles on Oobi and The Book of Pooh. She was one of the original cast members of the stage musical Avenue Q, receiving a nomination for the 2004 Best Actress in a Musical.

Sesame Street is an American educational children's television series that combines live-action, sketch comedy, animation and puppetry. It is produced by Sesame Workshop and was created by Joan Ganz Cooney and Lloyd Morrisett. It is known for its images communicated through the use of Jim Henson's Muppets, and includes short films, with humor and cultural references. It premiered on November 10, 1969, to positive reviews, some controversy, and high viewership. It has aired on the United States national public television provider PBS since its debut, with its first run moving to premium channel HBO on January 16, 2016, then its sister streaming service Max in 2020.