Thark is a fictional character from the Barsoom series, created by author Edgar Rice Burroughs. He is a member of the Thark tribe, which is known for its green skin and warrior culture. The Tharks are one of the many races inhabiting the planet Mars, and they are characterized by their strength and fierce nature. In the stories, Thark is often depicted as a formidable opponent, embodying the traits of his tribe. The Tharks live in a harsh environment and have a unique social structure, often engaging in conflicts with other tribes and characters, including the protagonist, John Carter.