Matthew Robert Patrick, better known as MatPat, is an American semi-retired YouTuber and internet personality. He is the creator and former host of the YouTube series Game Theory, and its spin-off series Film Theory, Food Theory, and Style Theory, each analyzing various video games, films alongside TV series and web series, food, and fashion respectively. Each of the different series are posted on individual channels, each named after the respective series. In addition to the creation of his channels, Patrick narrated the majority of the videos that are presented on his channels prior to his retirement on March 9, 2024.

YouTube is an American online video sharing platform owned by Google. Accessible worldwide, it was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, three former employees of PayPal. Headquartered in San Bruno, California, United States, it is the second most visited website in the world, after Google Search. YouTube has more than 2.5 billion monthly users, who collectively watch more than one billion hours of videos every day. As of May 2019, videos were being uploaded to the platform at a rate of more than 500 hours of content per minute, and as of 2021, there were approximately 14 billion videos in total.