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FD67BFC3-2779-4739-B540-AD26D9AA1E16 This article is a stub and would benefit greatly if it contained more information. Please help the Captain Underpants Wiki by expanding it.

NanoNerd is the super villain alter ego of Melvin Sneedly. He only appears in "The Taxing Trauma of the Treacherous Tattle Trials Part 1".

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