SuperMaryFace was born Mary G. Thomson on the 9 March 1994 in South Africa but having spent some part of her childhood in Australia, she prefers to be referred to as an Australian. She began her modeling career from her young age in Australia and relocated to the United States in 2014.
She came into the limelight as a YouTube personality bearing the moniker Supermaryface. She is a multi-talent as a cosplayer, an actress, a model and an all-round entertainer. She shares cosplay tutorial videos on her channel and she can pull off a number of different looks. She has performed cosplays of various popular characters from films, TV shows and video games including Lara Croft of Tomb Raider, Poison Ivy of DC Comics, The Joker from Suicide Squad etc.