Ian Andrew Hecox is an American YouTuber, actor, comedian, writer, director, and producer. He co-founded the YouTube channel Smosh with Anthony Padilla, and has starred in the channel's sketch comedy videos since 2005, making him the longest-serving member.

Smosh is an American YouTube sketch comedy-improv collective, independent production company, and former social networking site founded by Anthony Padilla and Ian Hecox. In 2002, Padilla created a website named "smosh.com" for making Flash animations, and he was later joined by Hecox. They began to post videos on Smosh's YouTube channel in the fall of 2005 and quickly became one of the most popular channels on the site. The Smosh channel has over 10 billion views and over 25 million subscribers.