A Metamorphmagus is a magical being in the wizarding world, particularly known from the Harry Potter series. This unique individual has the ability to change their physical appearance at will, without the need for spells or potions. This talent allows them to transform into any person or creature, making them highly versatile and often elusive. One of the most notable Metamorphmagi in the series is Nymphadora Tonks, who uses her abilities for various purposes, including espionage and disguise. Unlike regular shapeshifters, Metamorphmagi can change their appearance effortlessly and can even alter their hair color and facial features at a moment's notice.