MatPat, or Matthew Robert Patrick, is a semi retired YouTuber. He was former host of the channels Game Theory, Film Theory, Food Theory, and Style Theory. His catchphrases are "Hello, Internet! Welcome to GAAAAME THEORY!" and "But hey, that's just a theory... A GAAAAAME THEORY!"
Even after retiring from the main 4 YouTube channels on March 9th, 2024, he is still on GTLive (or Game Theory Live)
He is married to Stephanie Patrick, and has a son named Ollie Patrick, who was born in 2018.