I find them interesting!
*Her middle name is Elizabeth. This has sometimes been thought to have been after her biological mother.
*Her nicknames are: P. Sawyer, Goldilocks, Curly, Blondie, and Peyt.
*Peyton is adopted, which is found out at the end of Season 2.
*She has brother named Derek in the military.
*Peyton was roophied at a college party her and Brooke went to.
*Elizabeth "Ellie" Harp is Peyton's biological mother.
*She has only slept with three guys: Nathan Scott, Jake Jagielski, and Lucas Scott; during her fling with Pete Wentz, she did not sleep with him.
*In deleted scenes Peyton met a girl named Stella (played by Andrea Bowen). Peyton felt a kinship with her (they were both artists with similar personalities) and helped reunite Stella with her former foster family.
*Peyton drives a 1963 Mercury Comet which actually turns out to be symbolic for the epic Peyton/Lucas romance of the show.
*In season 3, Peyton's conscience is shown as a gothic angel of death. The One Tree Hill Crew calls her "Pangel".