Back in the dark ages of history, in vanilla World of Warcraft, I rolled a rogue. This was before battlegrounds, when dishonorable kills were a fear and world PvP was a rush, when men were men, mages sheeped for fun and warlocks ... well, let's just say that warlocks have a reputation that they've earned.
World of Warcraft was my first MMO, after coming from persistent worlds hosted by Neverwinter Nights. I played a rogue there, too, steeped in Dungeons & Dragons rules and the like. World of Warcraft was both nothing like and exactly like my roguish experiences before -- a sneak who dealt devastating damage with small weapons, no matter whether the target was gnome or giant, fearsome orc or fiery dragon.
In the midst of a Westfall investigation (tasked by SI:7 to infiltrate a tower), I noticed a few growing complaints in guild chat: "We have seven rogues in the guild but only one priest; would someone please roll a priest?" I told them I would, sent my rogue back to the character select screen, and rolled the character that would take up the entirety of my vanilla experience.