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   The Owl, the Witch, and a Man Named Anthony by White_Squirrel

   Fandoms: Harry Potter - J. K. Rowling, Marvel Cinematic Universe  

   • General Audiences
   • No Archive Warnings Apply
   • Gen
   • Work in Progress

   30 Jun 2026

   Tags

   • No Archive Warnings Apply
   • Hedwig (Harry Potter)
   • Tony Stark
   • JARVIS the AI (Marvel)
   • Harry Potter
   • Hermione Granger
   • Ron Weasley
   • Pepper Potts
   • Rubeus Hagrid
   • Albus Dumbledore
   • Severus Snape
   • James "Rhodey" Rhodes
   • Phil Coulson
   • Bruce Banner
   • Natasha Romanov (Marvel)
   • Thor (Marvel)
   • Steve Rogers
   • Clint Barton
   • Nick Fury
   • Post Owl magic
   • Epistolary
   • Real-Time Updates
   • more to come - Freeform
   • just wait
   • Female Harry Potter
   • Tony Stark is Harry Potter's Parent
   • Shifted Timeline
   • Hogwarts First Year
   • Tony Does Science to Magic
   • Good Albus Dumbledore
   • Mirror of Erised (Harry Potter)
   • Diary/Journal
   • Tony Stark Has a Heart
   • Dramatic Irony
   • SO MUCH IRONY
   • Movie: The Avengers (2012)

   Summary

   Holly Potter learnt at Gringotts that her father wasn’t James Potter, but some guy named Anthony Stark.

   Tony Stark was very confused when a paternity claim was delivered directly to his bedroom by a snowy owl.

   They begin a correspondence of letters, not knowing what bizarre revelations will come of it, all mediated by our favourite Arctic avian and told in real time as the letters are delivered.

   Formerly “Flight of the Post Owl.” Covers Hogwarts first year. Holly was born in 2000. The letters start in Chapter 10.

   Language:

   English

   Words:

   165,252

   Chapters:

   143/?

   Comments:

   3,719

   Kudos:

   2,905

   Bookmarks:

   827

   Hits:

   165,399

   Bookmarked by liam7973

   18 Jun 2026