Nymphadora Tonks is a fictional character from the Harry Potter series created by J.K. Rowling. She is a young Metamorphmagus, which means she has the ability to change her appearance at will. Tonks works as an Auror for the Ministry of Magic and is known for her clumsiness and cheerful personality. Tonks is a member of the Order of the Phoenix, a group fighting against the dark wizard Voldemort. She has a close relationship with Remus Lupin, and they eventually marry. Her character represents themes of loyalty, bravery, and the importance of being true to oneself.