The character Urizen is first directly mentioned in Blake's "A Song of Liberty" (1793) where he is first described in his dispute with Orc. He is described as a "starry king". In "To Nobodaddy", he is given the title "Father of Jealousy" and he is an enslaver. In "America a Prophecy", he is the evil God who rules during the Enlightenment. The work also describes how Urizen created the world. This was followed by the "Songs of Experience" (1794) where he appears as the creator of the Tyger and in many of the poems: "Earth's Answer", "The Tyger", "The Human Abstract" and "A Divine Image". He is mentioned later that year in "Europe a Prophecy" and it is in the work that Urizen is freed from his bounds and he opens the Book of Brass in response to the American revolution.