What is the fine-grained topic of the following text: Beautiful Losers is a feature documentary celebrating a loose-knit group of American artists—Shepard Fairey, Ed Templeton, Margaret Kilgallen, Barry McGee, Mike Mills, Jo Jackson, Chris Johanson, Thomas Campbell, Harmony Korine, Stephen Powers, and Geoff McFetridge—who emerged from the 1990s underground youth subcultures of skateboarding, graffiti, punk rock, and hip-hop. Only return the topic.
The 1990s American underground youth subculture artists featured in the documentary "Beautiful Losers".