Which seven Game of Thrones characters should Jon Snow name to his Kingsguard?

Grey Worm: Leader of the Unsullied and a highly skilled warrior who would swear his Kingsguard vows to the Great Goddess, the Lady of Spears, the Bride of Battle and the Mother of Hosts.

In our scenario, Jon is king, but Daenerys would never be satisfied merely being the woman on his arm. She has just many warriors loyal to her as Jon does, if not more, and any Kingsguard for King Jon should also have fighters loyal to Queen Daenerys. And there are few fighters more loyal to her than Grey Worm of the Unsullied. He’s been a loyal follower of the Mother of Dragons ever since she freed him and his Unsullied brethren in Astapor, and he would happily lay down his own life to protect her.

Grey Worm is a natural born leader trained to fight with spear, sword and shield, and seems to never tire. He’ll be more than up to the task of protecting his king and queen. Plus, having someone from Essos on the Kingsguard would send a good message, and a former slave at that. As king, Jon would want to establish good relations with people of other cultures, and send a message that slavery would never be tolerated in the Seven Kingdoms.