You might think you don't know Christophe Szpajdel's work. You almost certainly do. The Emperor logo. The Metallica Mankind clip. The Rihanna lettering that went a hundred feet high at the MTV VMAs. If you've spent any time near heavy music, his hand has been on things you've stared at without knowing his name.

This week we sit down with the man known as Lord of the Logos — Belgian-born, Devon-based, currently on shift at the Co-op — to talk about a career that has produced somewhere between 10,000 and 15,000 logos, and counting. We get into his early years doodling in school notebooks in Liège, the Art Nouveau obsession that underpins everything, and how a chance encounter on the Tube ended with his work displayed at one of the biggest awards shows on the planet for £500 — a fee he only learned was for Rihanna after he'd already quoted it. ...