👉 Demeter is a fictional character in the Harry Potter series by J.K. Rowling. She is the wife of Lord Voldemort and is known for her determination to protect Hogwarts School of Witchcraft and Wizardry from the evil forces that seek to harm it. Demeter appears as a recurring character throughout the series, often appearing as an antagonist or a rival for the love of Harry Potter. Her role in the plot is central, with her involvement being crucial in resolving conflicts between Harry and his friends. The