Those nicknames are good, but you can watch out for "cheaters".
I really don't understand why are people trying to hide behind someone else, when they can choose the name really free and untraceable.
I'm talking about someone who is hiding behind my nick... My "real" nick is orbis, and someone is hiding behind me with nick orbispictus.
I really don't understand what these people wants to reach... jealousy, anger, grudge or what...
it's really interresting
PS: you can use nick for in wallet chat if you want