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Cronenbergs are hideously mutated creatures found in the multiverse. They were formerly the inhabitants of Cronenberg World, but is now the major species on planet Earth in the Prime Dimension. (previously misidentified as Dimension C-137) .


These genetically-mutated creatures were made accidentally by Rick in the episode "Rick Potion No. 9" when he tried to turn the "Mantis-people" back into regular Humans. Everyone on Earth became Cronenbergs except for Jerry, Beth, and Summer, due to being closely related to Morty. In another universe, where everyone had previously been Cronenbergs (Cronenberg World), the opposite happened and everyone were accidentally turned into savage Humans by Cronenberg Rick and Morty. They both fled to the Prime Dimension to continue living among Cronenbergs.

In "The Rickshank Rickdemption". it has been shown that Jerry, Beth, and Summer have been subsisting on Cronenberg meat for some time. This indicates that, up until that point, at least a small population of Cronenbergs survived since the date of their mutation.

In Rick and Morty Issue 45, Cronenberg Morty explains to Summer that the Cronenbergs of the Prime Dimension are just savage creatures, whereas the Cronenbergs of Cronenberg World were civilized and more like humans.


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  • Their namesake is Canadian filmmaker David Cronenberg, best known for the "body horror" genre, exploring people's fears of bodily transformation and infection.
  • Near the end of "Auto Erotic Assimilation", the frozen alien that Rick destroyed with the laser is shown to be a Cronenberg, suggesting Rick might be trying to cure Cronenberg mutation, or else abandoned the idea.
  • It would appear that some of the Cronenbergs still have some intelligence/humanity left in them judging by the one smaller Cronenberg walking with a cane in the after credits.