Bowser debuted with Super Mario in 1985 as Mario's opponent and is known as King ... King Boo is larger than the other boos, featuring glowing purple eyes, a colorful tongue, and a crown, giving ...

King Boo is the leader of the mischievous ghosts that tend to torment Luigi most of all in the Mario franchise. Besides being the biggest of the Boos and wearing a crown to show his king status ...