Joel Fry will be playing Hizdahr zo Loraq, a princeling who, if the show remains true to the books,
Click to reveal..
will be spending a lot of time with Danerys IF you know what I mean
But it's a little early to introduce him. I expect there will be narrative changes.

"When the snows fall and the white winds blow, the lone wolf dies but the pack survives."
Winter is Coming

Now this is the Law of the Jungle—as old and as true as the sky; And the wolf that shall keep it may prosper, but the wolf that shall break it must die.
As the creeper that girdles the tree-trunk, the Law runneth forward and back; For the strength of the Pack is the Wolf, and the strength of the Wolf is the Pack.