“The slide towards drama and away from comedy over the course of a series’ run, named for the process undergone by the print comic Cerebus the Aardvark. It often describes a comic in which the creator bases all the characters on thinly veiled versions of his friends, runs the first few months of the comic on in-jokes, and then runs out of material.
More generally, it’s any story/series which starts out light, episodic, and comedic, and then becomes dramatic and arc-based.”—Cerebus Syndrome - Television Tropes & Idioms
“So what to do when you have a graphic adaptation of the Megan Fox breast vehicle Jennifer’s Body, a movie told from the perspective of a demon disguised as a high school seductress and her best friend? Simple, you switch the perspective and in a series of short stories, you retell specific moments with a lot more background from the victim’s point of view. And it really works.”—