Began his acting career at age 4, appearing in a variety of TV commercials.
Had a minor part in the 1999 Nick Nolte film Simpatico.
Landed breakthrough movie role alongside David Arquette in 2001's See Spot Run; led to appearances in several TV series and films, including Dinner With Friends, ER, Audrey's Rain and The Christmas Blessing.
Considers Chris Farley and Jack Black as role models for his acting career.
Star-making TV role came in 2003 as Jake Harper in the popular CBS sitcom Two and a Half Men; was reportedly the first child the casting crew had seen and was so well-liked they cast him immediately.
Netted four Young Artist Award nominations and two wins.
Named one of the World's Richest Teens in the May 2008 issue of People magazine, reportedly earning $1.2 million a season.