John of Mayne is a knight appearing in the Knights' Kingdom theme. He is Richard the Strong's partner. He appeared in four LEGO sets, and he has also appeared in two video games; 5774 LEGO Island 2: The Brickster's Revenge and LEGO Creator Knights' Kingdom. In LEGO Island 2, John of Mayne is seen on Castle Island, on the Lions side of the island. In Creator Knights Kingdom, he is introduced to the player by Richard the Strong, before the player is able to use him when creating their kingdom.