Hygienic Dress League. Maybe you’ve seen the mysterious phrase stenciled on a mural of a gas-masked man and woman and wondered “What the …?”

Affectionately known as HDL, Hygienic Dress League is a brand, a marketing tool, a corporation and — oh yeah — refers to the dynamic married duo, street artists Steve and Dorota Coy, both 32.

During their three years in Detroit, they have done several public art projects each year: The two stenciled characters on a building in Rivertown’s Franklin Street; they created a hot pink mural on the Charlevoix Building on Park Street, across from Cliff Bell’s; another featured a pretend shoot-out on a plywood wall on Woodward Avenue in the heart of downtown.

Those are all gone now. But that’s part of the ephemeral nature of street art. The upside is it brings work to an audience that might not go to an art gallery.

Read more in Donna’s Detroit