Harry Porterie's transfiguration is called Ani maggs Ani maggs. A wizard who can become an animal while retaining his magic. Ani maggs can't change into any animal at will, and the changed animals are related to the wizard's personality and weight. Generally speaking, everyone can only be an animal. At the same time, the transformation of Anima Gus is usually limited to non-magical creatures and magical creatures.

Introduction of Ani maggs's Deformation in Gus Anima

The Ministry of Magic strictly controls that all Ani maggs's transfiguration animals and features should be registered in the Office for Prohibition of Abuse of Magic of the Ministry of Magic. But many people didn't register after practicing. Among them are james potter and Staag. Sirius Black, Black Dog. Peter pettigrew, the mouse. Rita Skeeter, The Beatles. These people are illegal, Anima Gus.

It takes several years to practice Ani maggs, making people become their most suitable animals, but they may also fail, so it takes courage to change. So only seven Animags were registered in the 20th century, including a tabby cat named mileva McGonagall with eye frames around her eyes.