Greg “Batman” Davis is a founding member of the Crips. He has a website, which seems strange. But not too strange, because it looks like R. Rock Enterprises built it, the media agency run by Roger Gastman. Poke around a bit and it appears a book on Davis’ life is also in the works. Anyhow, the site has a visual guide to gang signs (see above/below) if you’re interested in that sort of thing.