Sometimes a show or book doesn't go the way you want it to, and you just have to pretend like what you just saw or read didn't happen. Do you create headcanon for these situations? Sometimes it can be a little fact that you like to believe, but that has never expressly been said in the universe.
-Steve Rogers of Avengers always gets asked to endorse a candidate during election season, but he always says no. (hat tip to this lovely article at thecomicfangirl.com)
-Draco was so changed by the events of the Battle of Hogwarts that he went onto finish school and become the best healer in the wizarding world, doing almost all of his work pro-bono (courtesy of headcanonsforpotterheads.
-The Doctor Who theme song is actually the TARDIS singing to The Doctor—a lament for her Doctor. (courtesy of Pinterest)
Do you have any head canon of your own? What has been a favorite head canon that you've heard (and promptly accepted)? Is this the first time you've head of head canon?
Let us know in the comments!