Boo (character)

A Boo is a fictional ghost that appears in the Mario and Yoshi series of video games. Boos first appeared in Super Mario Bros. 3. [1] Since then, they have become a common enemy in the Mario games. They sometimes appear as playable characters in the Mario spin-off games. In some games, such as Paper Mario, they help Mario during his adventure. They are named after the sound that a person might make when they want to scare someone ("boo!").

Boos most often attack the player by sneaking up behind the player while the player's back is turned to them. [2] When the player looks at them, they will hide their faces. They cannot be defeated without certain items or abilities.


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