Marsha is a kindergarten student that used to be in Mr. Mufflin's class. She seeks revenge on Fanboy for ruining her test from when she was in Mr. Mufflin's class. She was sent back to kinergarten since Fanboy sneezed on her test, causing her to flunk. She is very angry most of the time, but before Fanboy ruined her test she was happy and jolly most of the time.
Marsha is tan with brown hair with pigtails. She has a pink nose and has braces. She has has green overalls with a white star on it. Under her overalls she has a green and red striped shirt and a blue skirt. She has a black belt over her skirt. She has white and pink striped socks and brown shoes.