Little Red-Haired Girl
While never seen in the strip, she appears in several television specials, in which her name has been revealed as Heather Wold. Charlie Brown most often notices her while eating lunch outdoors, always failing to muster the courage to speak to her. She figures prominently in Valentine's Day strips, several of which focus on Charlie Brown's hope of getting a valentine from her. Charlie Brown typically attempts to give her a valentine but panics at the last minute. Provided by Wikipedia