Pro rally driver Ken Block, the Hoonigan and DC Shoes co-founder who revolutionized action sports marketing and motorsports filmmaking, died in a snowmobile accident near his home in Utah on Monday. He was 55. Hoonigan Industries confirmed Block's death in a statement posted to its social media channels.  "It's with deepest regrets that we can confirm that Ken Block passed away in a snowmobile accident today," the statement read. "Ken was a visionary, a pioneer and an icon. And most importantly, a father and husband. He will be incredibly missed." Block co-founded the skateboard brand DC Shoes in 1984. After selling the company in 2004, Block famously transitioned from marketing executive to one of the most recognizable names in motorsports. Only five years after getting behind the wheel of a rally car, he became a World Rally and Rally America podium threat and a five-time X Games medalist in RallyCross. In 2008, Block posted the first of 10 Gymkhana videos to YouTube, which...