I never had a nickname except for my grandpa who nicknamed all his kids and grandkids.Mine was Punky. don't know why. Noone has ever called me Ron or Ronnie. I would have hated it.
My son however I named Nathan, He had a teacher that wouldn't call him Nathan. He insisted he had to call him by his full legal name of Nathaniel. I did NOT name my son Nathaniel. It is just Nathan! But that man refused to listen to me! LOL
My youngest is named after his dad Glen Wayne. so he is Glen Wayne II We usually call him little Glen or my MIL dubbed him GW when he was little. I tend to call him GDub. Which he now hates! He is now six ft 3 and we call him Little Glen! His yr old has to look up a long way and he doesn't think daddy looks so Little! LOL