“Here comes Rocky!” The many thousands of local fans over the years 1948-2005 recognize this call summoning their all-time favorite rabbit. Not a little bunny in danger, Rocky was instead the zippy metal mechanical rabbit apparatus streaking around the track in front of the dogs to start each race at Rocky Mountain Greyhound Park. At the instant the Rocky voice starts, all betting on the race stops and greyhounds take off as the crowds scream the names of the dogs they bet on. Local radio personality Andy Nisito was the Rocky voice for a number of years. The 28-acre North Nevada Avenue location has quite the history and was one of five Colorado greyhound racing sites after Colorado voters approved dog and horse racing in 1948. Gazette stories tell of breakneck speed as a prefab steel grandstand was quickly put together in six weeks for a sold-out crowd of more than 2,500 on opening night July 21, 1949.…