July 4, 2016 9:19 am Origins of Olympic Athletes' Nicknames Every two years, millions learn the names of a new generation of Olympic stars and this summer in Rio will be no different. What you may not know though is how their nicknames came to be. US & World Videos 3:08 Fun for everyone! Head to Parx Racing for the free Kentucky Derby party this weekend 1:56 What's it takes to thrill at Monster Jam? Megalodon's driver tells you how it feels 1:08 ‘Always next year, I guess': Philly fans react to 76ers being knocked out of NBA playoffs, again 0:48 Eagles Landon Dickerson, wife support Eagles Autism Foundation at Center City jewelry store 2:56 Sixers reflect on hard-fought season after playoff exit