Check www.google.pl because I can be wrong - Trolling (I think) is spamming WriTinG tHiS wAy and something else...I guess...
Retrohead - if You have proof/reason to ban then BAN, when one user on my forum broke one rule gained notification than broke other and was warned and this way we got to ban without begging him or something...
My friend would say probably "Neo baby" (in translation) it was similar to trolling ^_^" ("Neo Baby" means in my country someone who is spammer, noob etc.)