Ollie Upton/HBO
- "House of the Dragon" has introduced Addam and Alyn of Hull, brothers affiliated with the Velaryon fleet.
- In "Fire and Blood," the brothers are pivotal characters.
- Here's what happens to them in the books — and what may happen on the show.
Warning: Spoilers ahead for "House of the Dragon" season two, episode two, and for the book "Fire and Blood."
Another week, another new character introduction that you'd best not forget on "House of the Dragon."