How about useless_and_stuff.I think that would suit you very well. Or how about creativty_block. That one is probably the best one anyone can think of. Or Global_announcement,Jack_T._Ripper, Towls_are_cool. See just let your imagination go wild.
dear god i dont want a humourtous nick cos they get old i want a really cool evil sounding nick thats really uber (also tell me what uber means) nicks with the words dark and darkness related werds are ideal
Farfarellos_Spawn (Farfarello was some sort of demon in a book I read)
7411_|)4r|<_/\/_|-|4/\/|)50/\/\3 (tall_dark_n_handsome in case you can't read it, but that's more humor, isn't it?)