As the name suggests, he is the king of all [[boo (mario)|Boos]]. He debuted in [i][[Luigi's Mansion]][/i], where he served as the main villain and final boss. Since then, he has appeared in numerous [i][[mario_(series)|Mario]][/i] spinoff games (such as [i][[Mario Kart]][/i]) and has reprised his role as the villain in [i][[Luigi's Mansion: Dark Moon]][/i] and [i][[Luigi's Mansion 3]][/i]. He is often shown as [[luigi|Luigi's]] main nemesis, much like [[Bowser]] vs. [[Mario]].

h5. See also

* [[Princess King Boo]] ([[Super Crown]]ed)
キングテレサ