Smosh are an internet comedy duo consisting of Ian Hecox and Anthony Padilla. Padilla first began posting flash movies on Newgrounds in early 2003, under the name Smosh. He was later joined by his friend Ian Hecox. Soon afterward they began to post videos on YouTube in the autumn of 2005 and became one of the most popular channels on that site, with more than 6.8 million subscribers and 1.9 billion video views as of January 2013. As of January 17, 2013, Smosh ranks as the most subscribed channel on the site.
Smosh also runs a channel called SmoshGames, where the two, along with four other YouTubers, post gameplay and commentary footage. In January 2013, Smosh appeared with PewDie in a collaboration game on Grand Theft Auto IV twice. They also run other channels known as Shut Up! Cartoons, El Smosh and IanH.
When PewDiePie was at the Fashion Event with Marzia in New York in February, 2013, he and she met up with Anthony and his girlfriend, Kalel Cullen, and they spent the rest of their time together.