Probably one of the most familiar faces on television today, Jay Leno is an American stand-up comedian and host of The Tonight Show with Jay Leno. He hosted the late night talk show from 1992 to 2009, and again starting in 2010 after a host controversy that saw his would-be replacement, Conan O'Brien, vacate the job and leave NBC. Over the years, Leno has made guest appearances on TV and in films, and has lent his voice to several animated films including Cars and the Ice Age series.