Smosh is a web-based comedy duo consisting of Ian Andrew Hecox (born November 30, 1987) and Anthony Padilla (born September 16, 1987). 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. As of May 2014, the Smosh channel has more than 17 million subscribers and 3.1 billion video views.