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1. ‘What (Not) To Do when you’re a Big Dumb Idiot who Fell in Love with his Nemesis who turned himself into a Hot Platypus and now you’re being straddled by him while On The Clock’ by Peanut_Butter_Wizard

   Fandoms: Phineas and Ferb  

   • Not Rated
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   07 Aug 2026

   Tags

   • No Archive Warnings Apply
   • Heinz Doofenshmirtz/Perry the Platypus
   • Heinz Doofenshmirtz & Perry the Platypus
   • Heinz Doofenshmirtz
   • Perry the Platypus (Phineas and Ferb)
   • vanessa and norm are both briefly mentioned but dont actually show up
   • i cant believe i wrote this tbh
   • rewrite of the ep where heinz turns himself into a platypus
   • except they dont fight
   • Perry the Platypus is a Platypus (Phineas and Ferb)
   • Trans Mpreg | Trans Male Pregnancy
   • Eggpreg
   • this thing has a life of its own

   Summary

   Of all the things Perry the Platypus had seen at Doofenshmirtz Evil Inc, this one was the craziest, and in Perry's opinion, probably the best

   Surely, nothing will come of this

   Language:

   English

   Words:

   5,862

   Chapters:

   2/2

   Comments:

   7

   Kudos:

   55

   Bookmarks:

   2

   Hits:

   534