[Moved from Random Discussion to WrongPlanet.net discussion]
There is nothing anyone here can do to help - #wrongplanet is maintained independently from WrongPlanet the web site.
I don't quite understand your problem, though - I've heard of being banned from an IRC channel, but not of being banned from changing a nick and wonder if you're referring to something involving this:
http://www.wrongplanet.net/postt223886.html
Otherwise, ask one of the #wrongplanet chatops for assistance.
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Giraffe: a ruminant with a view.