My psychotherapeutic view on Iban is that he thinks he's the oldest internet veteran around. He used to love visiting 4chan and boasting that he was a part of this big cool looking group of internetters but when everyone else started doing it, he lost his uniqueness and so he jumped ship and now flames anyone who likes or visits 4chan.
I mean, Muffin says something perfectly valid about 4chan but Iban jumps in like some sort of internet historian, flames him for knowing something about 4chan, then corrects him with the knowledge he's gained from lurking there.
Then Ronin goes and criticizes him for flying off the handle and Iban calls him a spotty teenager (when Ronin is probably much older than him) and tries to put Ronin down for something Iban thinks Ronin believes.
Iban also repeatedly refers to 4chan as some sort of "secret organization" which I assume is how he felt when he first joined 4chan, and now that it's such a common thing for young internet handicaps to be doing, he has to re-establish his uniqueness by criticizing them for something he felt was his.
There is nothing that enrages me more than someone who doesn't understand what 4chan is and then trys to perpetrate the ideology that every dumbforget buys into.
Example: Iban acts like 4chan is his own little childhood toy and doesn't like it when other people play with it,
Just my two cents.