Avery Jones is a puppeteer and actor, famous on YouTube. He is the puppeteer of Slappy the Dummy in Goosebumps. He also does Slappy's voice for promotional footage.
- Avery was supposed to also voice Slappy in the film, but at the last minute, it was switched to Jack Black.
- Avery has posted vlogs on his Youtube channel about his experience in the movie.
- Avery has stated that his Slappy laugh is an imitation of Jack Black's Slappy laugh.
- Avery also provider's Slappy's voice in Scholastic's three promo videos for the Goosebumps SlappyWorld series.