You don't want this to happen when you order Uber Drive share. This passenger claims he was violently headbutted and punched by his Uber driver all because of his small dog. And he even has a shocking video to prove it. >> He headbutted me, grabbed me, punched me. >> 45-year-old Brian Cobalt said he had his loyal service dog, Piper, with him when he ordered an Uber after dining out. But he says when the car finally arrived, the driver refused to take the 17-lb Golden Doodle. Hobble reportedly suffered traumatic brain injury. There's still some lingering effects of it.