Prince John is a character from the legendary tales of Robin Hood. He is often portrayed as the greedy and cruel younger brother of King Richard the Lionheart. While Richard is away on a crusade, Prince John seizes the opportunity to rule England and impose heavy taxes on the people, making him a villain in the eyes of many. In the stories, Prince John is frequently challenged by Robin Hood and his band of merry men. They fight against his unjust rule, stealing from the rich to give to the poor. This conflict highlights the themes of justice and bravery, making Prince John a memorable antagonist in folklore.