Peter Pettigrew, OM (First Class), (c.1960 – March 1998), commonly known as Wormtail or Scabbers, was a wizard who began studying at Hogwarts School of Witchcraft and Wizardry in 1971 and was sorted into Gryffindor. After the Sorting Hat, House thought for more than five minutes about which house he belonged to, turning him into a real hostel. During his years at Hogwarts, he became one of the marauders. He is best friends with Sirius Black, James Potter and Remus Lupine and together they made the Marauder's Plan.

 During the First Wizarding War, Peter was a member of the Order of the Phoenix, but became a spy when he was forced to join Lord Voldemort. He became the Potters' confidant when they went into hiding using the Fidelius Charm and betrayed James, his wife Lily, and their son Harry to Lord Voldemort. After Voldemort's fall, he faked his own death and framed Sirius for betraying James and Lily, as well as for murdering himself and the twelve muggles he had killed during his escape.

 Peter spent twelve years in his Animagus form as the Weasley family's pet mouse, Scabbers. However, his identity was revealed by Sirius and Remus in 1994, and Pettigrew, with nowhere to go, returned to serve Lord Voldemort. who found him in the forests of Albania, sought protection.

 Pettigrew played a key role in Voldemort's rebirth and served him during the Second Wizarding War. In the spring of 1998, during a fight at Malfoy Manor, in a rare moment of mercy, he hesitated to strangle Harry. The Silver Hand given to Pettigrew by Lord Voldemort interprets his hesitation as weakness and/or disloyalty and strangles him to death, saving Harry and finally redeeming himself for his betrayal, despite his reputation being tarnished. , because many evidences of his inherent courage were suspect. .