Happy Cog Out of stock. Hover to Zoom Aspire to make the highest quality work, just like Happy Cog does. HC’s shiny new identity—designed by Austin’s own Helms Workshop—printed on an Asphalt American Apparel poly-cotton 50/50 tee. About the designer. Name Happy Cog Twitter @happycog Web happycog.com Happy Cog is one of the oldest and most respected web design and development studios in the industry. Founded in 1999 by Jeffrey Zeldman, Happy Cog now has offices in New York, Philadelphia, and Austin.