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, because the film makers wanted Slappy to sound like R.L. Stine.
- 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.