'Ren And Stimpy' creator contributes 'The Simpsons' couch gag for "Treehouse Of Horror"—watch

The Simpsons have been nailing their couch gags for the past few years, often bringing in special guests for one-off guest animations. The recent Rick And Morty couch gag was brilliant, and horror legend Guillermo del Toro contributed a couch gag full of inside jokes and references back in 2013. The latest animator to get a spot in the show's opening sequence is Ren And Stimpy creator John Kricfalusi, and man, did he deliver.

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Watch the “Treehouse Of Horror” couch gag below, and see if you can identify the name on the tombstone from which the monster arises. Hint: it's not Dr. Marvin Monroe.

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