aka: Self Referential Humour
"Ever notice how the more successful observational comics become, the more their jokes focus on flying and hotels?"
index of all tropes having to do with referencing the nature of one's own medium, style and the almighty fourth wall to make a laugh or two.
Insert joke about the Fourth Wall
of the wiki here while I go about linking to tropes that don't exist, and adding examples to the Self-Demonstrating Article