Emily Haffen Williams (born August 17, 1974), known by her pen name Brashgirl901, is an American animator, actor, illustrator and screenwriter. She has been a puff artist since 1992. She is the creator of the Fox animated television series PuffRuff School along with TjsWorld2011 and Pyro R., and known for the character/puffed-self MJ, which is directly based off her personality.