1. More than 150 babies were named "Khaleesi" in 2012.
5. The "horse heart" Daenerys ate for Khol Drogo on the show was actually a three-pound mass of a gummy bear–like substance.
9. Charlie Chaplin has a relative on the show: it's Robb Stark's late wife played by Oona Chaplin.
10. Charles Dickens too. Daenery's brother Viserys is the great-great grandson of Charles Dickens.
11. The actor who plays Theon, Alfie Allen, is the brother of Lily Allen. She even wrote this nice little song about him smoking weed all the time:
12. The actor who plays Bran's 13-year-old companion Jojen Reed is actually 23 in real life.
13. He was also the voice of Ferb on the Disney Channel show Phineas and Ferb.
14. And he's the kid from Love Actually.
15. Richard Madden is dating Doctor Who companion Jenna Louise Coleman in real life. You might recognize her from Doctor Who.
16. Theon's sister Yara is named "Asha" in the books.
17. The Dothraki language was created just for the show and contains more than 3,000 words.
18. Part of the language is named after and based on lines from The Office character Dwight Shrute. It's called the Shrutean Compound.
19. This is what Hodor looks like without a beard:
20. The actresses who play Sansa and Arya are good friends in real life.
21. There is a Game of Thrones porn parody called "Game of Bones."
22. The actor who plays Stannis Baratheon, Stephen Dillane, has a connection to the Harry Potter universe: his son is the actor who plays Tom Riddle.
23. Peter Dinklage was George R.R. Martin's first choice for Tyrion.
24. Dinklage also voiced the sexy "wake-up guy" on Seinfeld.
24. Peter Dinklage and Lena Headey were friends before the show began, and Dinklage even helped get Headey the part of Cersei.
25. Jack Gleeson, aka Joffrey, played a little kid in Batman Begins.
28. George R.R. Martin revealed the ending of the book series to the television show's producers D.B. Weiss and David Benioff in case he does not live to finish the books.
29. A large number of the actors on the show have not read the books, some fearing it will affect their acting if they know what happens to their character.
30. The actor who plays Maester Aemon of the Night's Watch is legally blind in real life, like the character he portrays in the television show.
31. Robert Baratheon previously bared it all in The Full Monty.
32. He also played the dad on the show Still Standing.
33. After the first episode of the show aired, the actor who plays Joffrey, Jack Gleeson, received a letter from George R.R. Martin that read, "Congratulations, everyone hates you!"
34. After being covered in blood while filming a particularly gory scene, Emilia Clark, who plays Daenerys, got stuck on a toilet seat.
35. The show is credited with inventing the phrase "sexposition," which basically means revealing important plot points of a story while tons of gratuitous sex is happening.
36. This is what The Hound looks like without a beard and scarring:
37. He also starred in this particularly popular commercial:
41. The dire wolves on the first season of the show were played by Northern Inuit dogs.
42. In the later seasons of the show, the dire wolves are real wolves that have been inserted digitally.
43. The guy who plays Grand Maester Pycelle, Julian Glover, played these two familiar faces in Star Wars: The Empire Strikes Back and Indiana Jones and the Last Crusade:
44. The actress who plays Catelyn Stark, Michelle Fairley, played Mrs. Granger in Harry Potter and the Deathly Hallows.
45. Nikolaj Coster-Waldau, Jamie Lannister, got his start in the movie Black Hawk Down.
46. Emelia Clark (Daenerys) voiced Dr. Zoidberg's girlfriend on Futurama.
47. The original pilot of the show has never been aired.
48. This is what Margaery Tyrell's grandmother, The Queen of Thorns, looked like in the '60s:
49. And this is what Hodor and Arya look like DJing:
This post has been updated to meet our attribution standards.