Several things!
I am that one who bitches about balance all the time. Always suggesting improvements, telling them they are using the most horrible weapon, or the stupidest easy mode one.
I am that one who always lets everyone know how I am feeling, wether I detest the team, wether we are going to lose, etc.
I am that one who reads lore and quest text. It bothers me a bit to find how some people skim over this.
I am that one who is there for the perfect team composition. When once asked which role I tend to play as, I said, all of them. Whichever is needed. This usually means healer or tank.
I am that one who has an unreasonable hate out for MMORPGS. I have played some in my time, but I found most rather detestable.
I am that one who is always on your back about when you curse. I do not like or support any of it, and I let them know when they go overboard.
I am that one who detests XBOX, XBL, and Halo. Suprisingly, I am good friends with a few players who regularly play it online, and speak about it. And tea bag. *shudders*
I am that one who likes Elves. And Samus. Yes, in that way.
I am that one.