Cheech and Chong is a comedy duo consisting of Richard "Cheech" Marin and Tommy Chong, known for their stoner humor and counterculture themes. They gained popularity in the 1970s and 1980s through their stand-up routines, films, and albums that often featured comedic takes on marijuana use and the lifestyle surrounding it. Their most famous films include Up in Smoke, Cheech and Chong's Next Movie, and Nice Dreams. The duo's work has had a lasting impact on comedy and popular culture, influencing many artists and comedians who followed in their footsteps.