Revok, whose real name is Jason Williams, is a well-known graffiti artist from San Francisco, California. He is a member of the graffiti crew Mad Society Kings (MSK) and is considered one of the pioneers of the graffiti art movement in the United States. Revok's work often incorporates bold, colorful lettering and designs that are heavily influenced by the urban environment. He has created graffiti pieces in cities around the world and has been the subject of numerous exhibitions and gallery shows. In recent years, Revok has also become involved in legal battles over the use of his artwork without permission. In 2018, he successfully sued H&M for copyright infringement after the company used one of his designs in an advertising campaign without his consent. Revok began his graffiti career in the late 1990s in Los Angeles, where he was a member of several graffiti crews, including the 7th Letter and the AWR crew. In the early 2000s, he joined the Mad Society Kings (MSK) crew, which was known for their intricate, highly stylized lettering and use of vibrant colors. Revok's work has been featured in numerous exhibitions and art shows, including the Museum of Contemporary Art's "Art in the Streets" exhibition in 2011. He has also collaborated with other artists, including the graphic designer Shepard Fairey, and has been featured in documentaries and films about graffiti art. In addition to his work as a graffiti artist, Revok has also been involved in other artistic ventures, including painting and sculpture. He has created several large-scale public installations and has been commissioned to create murals for businesses and public spaces. Despite the legal challenges he has faced, Revok continues to create and exhibit his artwork, and he remains a prominent figure in the graffiti art world.