I gave three warnings, that was two too many in my opinion supertanker.
Blatant nonsensical attacking of random people, like Cobo, as well as ban evasion and attempting to ctcp pingflood me (haha) is a great way to get unbanned.
This is not the first time you've caused problems. Its also definately not the first time you've been told to behave, and failed..
You even posted a guide about forum and irc ettiquette too..