Potter ramblings - Piers Polkiss

We hardly know anything about Piers. He was one of Dudley Dursley's "little friends", part of his gang. I think we only heard him and seen him in book one (visiting the zoo with Dudley and Harry, as well as Vernon and Petunia) and briefly in book five. Although he was very much a background character I was intrigued by him pre-Hallows, for the simple reason: HOW did he know Harry had spoken to the Boa Constrictor? Also his initials P.P. were interesting, seeming they were the same as Peter Pettigrew's. In fact I hoped that Piers was going to be the one who did magic late in life - but Jo changed her mind and didn't have anyone. Still intriguing at the time though!