Professor Remus John Lupin also known as Moony, was a half-blood wizard and the only son of Lyall and Hope Lupin (née Howell). He was afflicted with lycanthropy during his childhood, as Fenrir Greyback's revenge against Lyall. He attended Hogwarts School of Witchcraft and Wizardry and was Sorted into Gryffindor House. During his school years, he was one of the Marauders, best friends with Sirius Black, James Potter, and Peter Pettigrew. Together they created the Marauder's Map.