Well mine is definatley boring compared to everyone elses. One of my mares is called Megan, but I call her meggymoo, always have done, and it was the only username I could think of which sounded better than just "Carol"!!! :)
Several years ago a friend and I were involved in a Natural Horsemanship group. We did up a newsletter and she decided we needed nicknames. She came up with appy(my riding horse was an appy then) and the T is for my name, for me.. she was grannygreenhorn,..