Maher is known for his sarcastic attitude, Maher supports the legalization of cannabis and same-sex marriage.
His critical views of religion were the basis for the 2008 documentary film Religulous.
In 2004 Maher appeared on stage as Satan in The Steve Allen Theater production of "Hollywood Hell House", a spoof of the Christian-run hell houses.
The show was a faithful reproduction of an evangelistic scare-experience written by Reverend Keenan Roberts to terrify teenagers into declaring themselves Christians.
"Our faith is that putting this up as itself, it will hoist itself on its own petard, that it's comical just as it is," explained producer Maggie Rowe.
The show featured a rotating cast of over 160 celebrities, including Andy Richter (Jesus), Richard Belzer, Dave Thomas, Traci Lords, Craig Bierko, Sarah Silverman, and Julia Sweeney.
In the segment "New Rules" at the end of each show, Maher delivers a humorous editorial on popular culture and American politics. It has been nominated for more than ten Primetime Emmy Awards and six Writer's Guild awards.
In 2007, Maher and his co-producers were awarded the Television Producer of the Year Award in Variety Television by the Producers Guild of America.Bachus said he felt the comments were demeaning to the military and treasonous.Maher stated his highest regard and support for the troops and asked why the congressman criticized him instead of doing something about the recruitment problem.Yiannopoulos subsequently resigned as an editor at Breitbart News.When asked whether Yiannopoulos' interview on his show was among the causes of his resignation, Maher concurred, saying, "As I say, sunlight is the best disinfectant.He is a supporter of animal rights, having served on the board of PETA since 1997, Maher began his career as a stand-up comedian and actor.