 Although he was always attracted to traditional painting, Brandrup started to work in graffiti lettering when he was 15 years old, installing wood panels in his parent's backyard and covering them with his graffiti name KETS.In 2008, Brandrup, his twin brother Morten Brandrup and Mickie Storm founded a design agency called Identity Provided, specializing in visual communication, branding, web design and corporate campaigns.Over the course of six years, they created the visual identity for several major companies, including Steen & Strøm Department Store and Chiquita Brands International.