From Wikipedia, the free encyclopedia. Darrick Doerner is a big wave pioneer in the sport of towsurfing. His initials: 'D.D.' not only stand for his name, but for 'Designated Driver'. Darrick uses a personal water craft to travel to large surf breaks offshore. He is also known as simply 'Double D'. Darrick is known as a big wave surfer. Primarily for creating the actual sport of tow in surfing. Darrick is an 'all around waterman' in the ocean, from surf, , big wave towsurfing, paddle, stand up ...