My oldest daughter is 18 and wants to be an professional animator and she LOVES the movies and TV show - and she's even read the original book series that the films are (kinda loosely, according to her) based on. She's excited about the new move and the 11th book, as well as the new season of the TV show, and is *literally* counting down to days to all three.
And my "step-son" (her half-brother) is 7 and he *LOVES* the movie and the TV show, and is absolutely obsessed with both "Toothless" the dragon, and dragons in general. He's always telling me about it on the phone. I think he's even more obsessed with it than he is with "Iron Man" and "The Avengers" - and it's taken the place of "Cars" for him!
So I kinda can't avoid "How to Train Your Dragon" in any form...LOL.