What is peppermint patty's character like?

Peppermint Patty is a tomboy, who is brilliant at all sports, she can "Strike ol' Chuck out on just three pitches. She is in the "D minus hall of fame," and always falls asleep in school. Her best friend is named Marcie. Peppermint Patty sometimes worries that she isn't pretty, because she has "mousie-blah hair, freckles, and a 'big nose.'" She also has a huge crush on Charlie Brown and will play "lovers games" with him trying to convince him that he likes her, not the other way around.