Sydney Heller (b. 1995) is an American comedy writer, director, performer, and TikTok star known for her comedy sketch videos that she creates with comedian Olivia DeLaurentis. She has become a frequent collaborator with the Smosh cast, appearing notably in videos for the Try Not To Laugh Challenge series and Smosh Mouth as well as being a former writer for the Smosh main channel and Smosh the Sitcom Live.
