Noriaki Kakyoin is a fictional character from the anime and manga series "JoJo's Bizarre Adventure: Stardust Crusaders." He is a Stand user who initially appears as an antagonist under the influence of DIO, the main villain. However, he is soon freed from DIO's control and joins the protagonist, Jotaro Kujo, and his group on their journey to Egypt to defeat DIO. Kakyoin is known for his intelligence, artistic talent, and his Stand, Hierophant Green, which has the power to perform long-range attacks and create barriers. He plays a crucial role in the group's battles with enemy Stand users.