Katt Williams honed his comic delivery by performing his routine in clubs nationwide, from Oklahoma to Oakland. By 1999, Katt had become an established comic, appearing on stage at the likes of The Improv, The Comedy Club, The Icehouse and The Hollywood Park Casino. Most notably he appeared on BET's Comic View as Katt "In the Hat" Williams.
Williams starred in his first comedy special in 2006 entitled Katt Williams: Live: Let a Playa Play. His second & first HBO stand-up special was 2006’s The Pimp Chronicles, Pt. 1, with his comedy piece "This Shit Right Here Nigga, This Shit Right Here Nigga". In 2007 Williams was offered a movie/standup which he entitled American Hustle. The film had critical success and established Williams as a Mainstream Comedian. In 2008 Williams released his second HBO comedy special entitled It's Pimpin' Pimpin', with Williams doing more of a Political standup. In 2012 after 4 years of not doing stand-up comedy, Williams returned to stand up in his third HBO comedy special entitled Kattpacalypse.