Cronenberg Morty is a version of Morty Smith who originates from Cronenberg World. In the episode "Rick Potion No. 9", Cronenberg Rick and Cronenberg Morty take a portal to Earth C-137 after they discovered that C-137 Rick turned the entire population of Earth, except Beth, Jerry and Summer, into Cronenbergs. Cronenberg Rick and Cronenberg Morty did this because they turned the entire population of Cronenberg World into normal Humans and wanted to live in a world where they would fit in.