Nickname for Peter Facinelli, better known as Dr. Carlisle Cullen in the Twilight saga. It was first Tweeted by Facinelli on July 11th, 2009: "From now on I'd like to be referred to as PFach so I can have a cool nickname like RPatz. lol"
One Twitter user: omg PFach is a trending topic! lolz
by ZebraStripes July 15, 2009