Grannus is a Celtic deity known for healing powers - soothing things like a spa or (here it comes) great lighting! Arnsberg is creative with their naming, but they are rigid in their precision engineered lighting. This Modern Metal Ceiling Light with white shade is like buying the high-end German car of lighting. You're getting tireless effort and detail focus in something as simple as a floor lamp. It's a German thing, or so we're told.