King Boo

King Boo is a character who debuted at the very end of The Super Mario 64 Movie: Legend of the Star Spirits foreshadowing the events of Lost in the Forever Forest.
== Appearances ==
* The Super Mario 64 Movie: Legend of the Star Spirits
* Lost in the Forever Forest
* Sleepyheads
== Trivia ==
* King Boo is an actual boss in the Mario series who first appeared in Luigi's Mansion as the main antagonist.