Nicholas Van Ryn is a fictional character from the novel "The Witching Hour" by Anne Rice. He is depicted as a wealthy and charismatic man with a complex personality, often navigating the challenges of love and family dynamics. His character is deeply intertwined with themes of magic and the supernatural. In the story, Nicholas is connected to the Mayfair Witches, a family of witches with a rich history. His interactions with them reveal his struggles and desires, making him a pivotal figure in the narrative. His character adds depth to the exploration of witchcraft and its implications in the modern world.