Darn, I really liked the idea that Peeves was once named Peverell, and was somehow linked to the ring.
"Peeves isn't a ghost; he was never a living person. He is an indestructible spirit of chaos, and solid enough to unscrew chandeliers, throw walking sticks and, yes, chew gum." -- J.K. Rowling (JKR)
Professor Snape IS Regulus Black
Whaddya know, I've forgotten the other one!!!
I can't remember offhand and I've lent out OOTP...is Bellatrix a sister or a cousin of Sirius Black? Did Sirius have any siblings besides Regulus?