Gamer and cosplayer known for her CommanderHolly YouTube channel, where she posts gaming videos, cosplay tutorials, and vlogs.
She posted her first Tweet on August 28th 2008.
She has been featured on a number of TV shows as an actress, costumer designer, and as a guest. Her most notable appearance was as a contestant on Heroes of Cosplay.
She married Ross O'Donovan, a fellow YouTuber who operates under the name RubberNinja.
She appeared in the Felicia Day-created web series The Guild in 2011.