This is a mug shaped like Jon Snow.

Jon Snow is one of the main characters from the Game of Thrones books and HBO television series adaptation. He is presented at the beginning of the story as the bastard son of Ned Stark, lord of House Stark. As a bastard, he takes the name Snow (a pseudonym for all bastards). However, Jon is actually the son of Lyanna Stark and Rhaegar Targaryen, the late Prince of Dragonstone. From infancy, Jon is raised alongside Ned's lawful children at Winterfell. Jon's true parentage is kept secret from everyone, including Jon himself, in order to protect him from those that sought the complete annihilation of House Targaryen. He is sent to the far North to stand on the wall and be a Warden (guarding against the thought-to-be mythical Night King and more tangible threats like the human "Wildings" just beyond the wall) but events conspire to make him a leader of the Wardens, and later a lover to Daenerys (who with the discovery of his true lineage is revealed to technically be his aunt). For much of the television series, Jon was a clear favorite and many hoped to see him finally take the throne.

This is one in a series of Game of Thrones ceramic mugs. Many of these same designs were also produced as plastic mugs with straws and lids.