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Metallica

School bus drivers don’t come cooler than Otto Man. He actually inspired Metallica’s lead guitarist Kirk Hammett to not quit the band — at least according to the band’s appearance on the show during season 18. Unfortunately, Bart’s infamous mischief costs Otto his cool card with the band after he stole his bus, right as he was about to give the band a lift. They ended up getting a ride with Hans Moleman, but we won’t even begin to describe his connection to the band.

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