is the Final Boss
in Kirby's Adventure
and its remake, Kirby: Nightmare in Dream Land
. Being a living nightmare, he attempts to control Dream Land
through the control of Pop Star
's Fountain of Dreams
. King Dedede
knows this and split the Star Rod
, the source of the Fountain's power and Nightmare's one weakness, into pieces. This stops Dream Land's inhabitants from dreaming altogether, and prompts Kirby to confront Dedede, as he did not know the King's true intentions. In Kirby: Right Back at Ya!
, Nightmare is the owner and leader of Nightmare Enterprises
and aspires to rule the universe.