A generaly large man who generally belives he is an esence of awesome or the best in the world.Besides the great height other things that define a CM Niall would be that they generally have either a scragly beard or a trimmed one, they can also have short hair slicked back or long greasy hair that hangs over their face. After a CM Niall defeats his oponent he will strike a greatness pose to show dominence.CM Niall has some sort of afiliation with the red star faction.
Woman 1: look at that giant guy
Woman 2: well he must be a CM niall cause hes striking the greatness pose over there