The mortal human embodiment of death himself (grim reaper.
The name Dirthay was originally thought up by a young chap named Charles Garrett, when Dirthay was bored, he said Charlie in a redneck accent, so for sounding like Churlay, so said Deathy the same sounding like an abbreveation of Dorothy, therefore Dirthay, In german is Doigon.
The drama-related ploy of revealing a series of events or objects in the form of threes, with the first two events seemingly-random or unimportant, but the third forming a clincher or dramatic finale.
The trefle of porridges Goldilocks tasted in The Three Bears ended with the one she found "just right."