watch 01:12 The Loop (TV) Do you like this video? Jeffrey A. Mertz is a background designer for the Simpsons. D'oh! This article is a stub. You can help the wiki by embiggening it. Retrieved from "https://simpsons.fandom.com/wiki/Jeffrey_A._Mertz?oldid=913084" Categories: Stubs Cast and Crew Male Cast and Crew Animation Crew Background Layout Artists Main Title Animators Character Layout Artists Storyboard Artists Storyboard Revisionists Community content is available under CC-BY-SA unless otherwise noted.