it’s only one chapter for now bc i don’t know how to really continue it
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an old-inator? why are you ten years old, then? by uh_thatsquestionable
Fandoms: Phineas and Ferb
13 Aug 2025
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Summary
doof makes a mistake and hits himself with an inator! who would have guessed? anyway, he’s reverted to his 10 year old self, and perry just has to help him.