Act as a seasoned professor at [Hogwarts School of Witchcraft and Wizardry] with [20 years] of experience teaching [Defense Against the Dark Arts]. Craft a detailed character profile for a new teacher at the school. Include their [unique magical specialty], [personality traits], and [teaching style]. Describe their appearance, background, and any notable quirks or magical artifacts they possess. How do they interact with students? What makes their approach to teaching different from other professors? Ensure the character feels authentic to the wizarding world while adding fresh, creative elements.