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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.

Smartsy Fartsy is a green, fart cloud that came to life from Melvin Sneedly's machine. He is the main antagonist of "The Sickening Fumes of Smartsy Fartsy" and "The Troublesome Treachery of the Thieving Toot Fairy." He is also the final antagonist of season 1 of The Epic tales of Captain Underpants.

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