George Denis Patrick Carlin (May 12, 1937 – June 22, 2008) was an American stand-up comedian, social critic, actor and author. Regarded as one of the most important and influential comedians of all time, he was dubbed "the dean of counterculture comedians". He was known for his dark comedy and reflections on politics, the English language, psychology, religion and taboo subjects. Carlin was a frequent performer and guest host on The Tonight Show during the three-decade Johnny Carson era and notably hosted the first episode of Saturday Night Live in 1975.
https://en.wikipedia.org/wiki/George_Carlin