At some point, the four young men formed a rock band, which they named the "Mad Hatters." They have been noted to be skilled musicians, but it's unknown if they've ever performed at a concert as big as the Narufest.
- According to Betten Court's Mad Hatters and East Naruhata High Dance Squad character profile, the unnamed leader was supposed to look British while Akira looked American, in terms of outfits.
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