Some people ask what pad foot ,moony,worm tail and prongs are I'm here to help

Lupin turns into a werewolf at the full moon (Moony), Pettigrew transforms into a rat, which has a tail that resembles a worm (Wormtail), Sirius transforms into a dog, which have padded feet (Padfoot), and James turns into a stag, whose antlers are prongs (Prongs).