Harriet is a girl who cheer for the squad of the campus, The Flaming Fantasticks. When Larry first talks to her, she is extremely gossipy and talkative, talking a lot about the squad and its secrets. She has an extremely snorty laugh and is terrible at slaps (or at least worse than Morgan, The Queen of Geeks.).
When She finds out that the mascout is hurt and would not been at the next game, she asks Larry to take his place.
Then she thanks Larry making out with him but only if he'd kept wearing the mascot costume.
Harriet occasionally bursts out into a demonic form with whited out eyes and a deep voice, usually when Larry tries to leave Harriet in the dorm room.