Known by his internet handle JonTron, his YouTube videos consist of comedically reviewed gameplay of poorly received games. He also co-founded the website Normal Boots.
He first joined the YouTube world in 2010, debuting with a review of the game Daikatana on JonTronShow.
He hosted the webseries Game Grumps, which he created with Arin Hanson.
He was born in Los Angeles and lived in New York City.
In June 2013, he starred alongside Brian Wecht and Daniel Avidan in a music video by NinjaSexParty titled "Let's Get This Terrible Party Started!"