Denis Leary is a performer.
"During Leary's 2003 Comedy Central Roast, comedian Lenny Clarke, a friend of Leary's, said there was a carton of cigarettes backstage from Bill Hicks with the message, "Wish I had gotten these to you sooner
Leary was invited to attend the January 14, 1967 Human Be-In by Michael Bowen, the primary organizer of the event, a gathering of 30,000 hippies in San Francisco's Golden Gate Park

