This family of fonts offers a wide variety of styles. Strong, thick letters with a mechanical feel are presented in stencil and outline variations.
These fonts work well at small and very large sizes.
Ruckus is a simple & legible graffiti style with a thick, crisp outline style on the capitol letter keys and the matching fill style on the lowercase keys. This font includes a generous array of numbers, symbols, arrows and other glyphs.
Advanced wildstyle graffiti font.
This font family is very close to standard Olde English styles with a bit of influence from Blackletter styles. The Olde Gangsta font family is meant to represent a more Chicano American street gang type of stylization.
Halfway between graffiti & typeography you find styles like Graffick. These fonts are derived directly from hand-written letters made mechanically perfect to behave more like common digital fonts.