Boo

is a fictional ghost that appears in the Super Mario series of video games by Nintendo. Boos made their first appearance in Super Mario Bros. 3. Physically, Boos resemble classical Halloween spooks. They are round, puffy and balloon-like in appearance, and usually sport a pair of sharp vampirical canine teeth. Boos have beady eyes and a variety of facial expressions comparable to those of classical jack o' lantern. Boos have flaps for arms as w... More

is a fictional ghost that appears in the Super Mario series of video games by Nintendo. Boos made their first appearance in Super Mario Bros. 3. Physically, Boos resemble classical Halloween spooks. They are round, puffy and balloon-like in appearance, and usually sport a pair of sharp vampirical canine teeth. Boos have beady eyes and a variety of facial expressions comparable to those of classical jack o' lantern. Boos have flaps for arms as well as short tails. There are many Boo variations, as they vary in color and size. The most common Boo type is a generic, milky-white Boo, but other Boos can come in hues of blue, green, pink, orange, red and black. One type of Boo, found in Paper Mario, is the Dark Boo, which is violet with glowing orange eyes and a blue tongue. Even though they are ghosts, there has been some controversy as to whether Boos are true ghosts or a species of ghost-like creatures. Judging from their dialogue in Super Mario 64, it is hinted that they are in fact...

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