Boo are a species of ghosts that appear in New Super Mario Bros.. They will follow you, if you will not be facing them. If you face them, they stop. You can defeat them using a Starman. There is another species of them, the Bubble Boo.

Trivia Edit

  • As Shell Mario or Luigi, if you turn away from a Boo and duck in your shell, they will follow you until they reach the shell. No matter what happens, you will lose your shell once you stop ducking.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.