Big Boos are giant boos that can be found on the occasion. Compared to little boos, they are quite gigantic and cause more damage. They can only be defeated using a power up such as a star or through unconventional ways.

Super Mario World Boo


Luigi's Mansion: Dark Moon - A boss in Luigi's Mansion: Dark Moon

Yoshi's Island - Appeared in a Boss level.

Super Mario World - Appeared in later level ghost houses.

Super Mario 64/DS - A mini boss in two missions. Mario had to defeat the boo in order to get the star.


Can only be defeated with the aid of power ups.