We’re still not 100 percent sure if Jon Snow is dead dead. But we were gifted a bunch of other tidbits of information throughout 2015 that gave us a fuller picture of our favorite shows, songs and stars.

How expensive is Hogwarts? Who is “You’re So Vain” about? Whatever happened to Mr. Turner in “Boy Meets World”? Is “Hit Me … Baby One More Time” really about domestic abuse?

Read on for the surprising answers to these and other questions you may or may not have ever thought about:

1. Harry Potter named his son “Severus” out of gratitude and forgiveness toward Severus Snape, who loved Harry’s mother, Lily Evans.

2. Kanye West doesn’t smile because smiling doesn’t look cool.

3. On “Zoey 101,” Zoey declared Chase might be her “soulmate” on the DVD she put in the time capsule she buried, even though that footage doesn’t exist.

4. The “Fast and Furious” franchise will finally end — there will be three more, for a total of ten movies.

5. The vain person Carly Simon sings about in “You’re So Vain” is actor-director Warren Beatty.

6. Cars from MTV’s “Pimp My Ride” broke pretty quick due to some really, really shoddy work.

7. *NSYNC has a star in their band name because the illusionist Uri Geller told them they’d be famous if they did.

8. In Britney Spears’ “…Baby One More Time,” the phrase “hit me” is supposed to mean “call me.”

9. The Hogwarts School of Witchcraft and Wizardry is free to attend.

10.Yes, there is an American version of Hogwarts for wizarding kids across the pond.

11. Despite years of waiting and hoping, we probably won’t get a “Hocus Pocus” sequel.

12. Those hyper-devout Sparrows (or Faith Militant) in “Game of Thrones” are based on followers of the medieval Catholic church.

13. President Obama’s favorite “Game of Thrones” character is Tyrion Lannister.

14. In the “Boy Meets World” universe, Mr. Turner actually survived his motorcycle accident, married a nurse who took care of him and went on to become a school superintendent.

15. George Costanza’s fiancée Susan was killed off on “Seinfeld” because the actress who played her, Heidi Swedberg, didn’t have great comedic timing.

16. The drops of Jupiter in Train’s “Drops of Jupiter” aren’t a metaphor — they’re based on literal pieces of the gas giant that appeared in a dream Pat Monahan had one time.

17. Charlie Sheen wasn’t in the “Two and a Half Men” finale because he didn’t like the “maniacal rant about the dangers of drug abuse” the screenwriters wrote for his character.

18. Jennifer Grey can’t do that famous lift she performed with Patrick Swayze in “Dirty Dancing” again because she barely rehearsed it to begin with.

19. “Fetch” isn’t going to happen because you keep trying to make “fetch” happen.

20. It’s not shown in the “Breaking Bad” finale, but Saul Goodman’s lovably large bodyguard, Huell, was later questioned by police and released.

21. Sara Bareilles’ anti-love-song “Love Song” actually is sort of a love song — to her craft.

22. Nic Cage has not, in fact, stolen the real Declaration of Independence at any point in time.

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