 In May 2019, Ellefson along with business partner Thom Hazaert formed Ellefson Films and are producing the upcoming found footage horror film Dwellers; written, directed by, and starring Drew Fortier.On top of producing the project, Ellefson and Hazaert will also be appearing in the film as featured cameos.A 50 second teaser trailer for the film was released in August 2019.