Renzo Rosso is a floppy-haired fiftysomething who would blend in perfectly on a porn set, but instead runs Diesel S.p.A., the casual clothing megabrand.

Standing in his fancy new Aoyama gallery he's admiring "Black Wind crosses meadow," an artwork by Hiroki Tsukuda consisting of "mixed media and stuffed deer." The ex-stag is wearing a black bomber jacket and plastic face mask, giving it the look of a cervine Darth Vader. Cheeky, playful and slightly disrespectful: it's very Diesel.

"Yeah, I was impressed when I saw this because I just bought a big horse for my house," says Rosso in his fantastically thick Italian accent. "A horse with a lamp. But I think this is much better than that. I want to buy this."