When exactly did Rol start being "sarcastic"?

[Oyvoyvoyv]

So you prefer him wall of textin' like he started out with?

http://www.vgchartz.com/forum/post.php?id=7574

But looking at his earlier posts, he seems a bit more like TWRoO, but after he became his archenemy, he had no choice but sarcasm. I blame TWRoO.