Xbox 360 Pro Gamertag
Gamertags consists of Upper case and lowercase letters, two ii's, v's, o's, x's, z's, add extra letters and the end of a word, and sometimes use not commonly used words. People who use these gamertags most of the time are not good, and just wanna look cool because they think they are pro. Some examples are: LeGiiT ShoTZz, Communicatezz, o GeT MuTeD o, oG ScoPeZz v, etc.
Dude, look at that so called " Xbox 360 Pro Gamertag ". He is such a wannabe poser.