He was very hairy, with astonishingly soft ears and a tail that was constantly swishing with delight. Other dogs might gently curl up on the sofa; Otto would sit like a human on his rump, two paws up in the air. Other dogs would splash in the water; Otto would submerge and roll. Other dogs retrieved Frisbees; Otto found dead badgers. The resident court jester in our neighbourhood, he knew how to turn heads.