Some parents had their children's names picked out since they knew they wanted to be a mom. Others wait until they meet their lil fellas face-to-face before giving them a lifelong label. Often considered in the name game are the potential nicknames that can develop. William can quickly turn into Will, Bill, Willy or Billy but does a parent consider Mackenzie will turn into Mack? Whether you picked it out or not, does your child have a nickname?