Pledge your allegiance with your very own Game of Thrones House sigil, which you can design and share with your friends!

In a new fun season 3 promotional campaign, HBO is offering fans of Game of Thrones the chance to create their own House and design their banner and sigil!

The banners are highly customizable, allowing you to create very unique designs to represent your family values, your fandom allegiance… or whatever else you might feel like throwing on there.

Like, say you were on a Game of Thrones podcast? Your sigil might look something like this:

Head on over to HBO to create your own banner, and tweet us @Hypable or @GameofOwns to show us your creations! We’ll be watching, and RT’ing some of our favourites.

You can also join the conversation on Twitter with the hashtag #JoinTheRealm.

The Game of Thrones premiere is less than a week away now! The first episode of season 3 is entitled “Valar Dohaeris,” and airs this Sunday at 9/8c on HBO. Read the episode description:

Jon is brought before Mance Rayder, the King Beyond the Wall, while the Night’s Watch survivors retreat south. In King’s Landing, Tyrion asks for his reward. Littlefinger offers Sansa a way out. Cersei hosts a dinner for the royal family. Daenerys sails into Slaver’s Bay.

What symbols are you putting on your ‘Game of Thrones’ House banner?