The very best.

The one who leaves the most, 0.72 messages per day.

The one who sneakily peeked at profiles the most :D By the way, if we're talking about flooding, there will be more ;)

P.S. 2.48 Who has more?

Arandor

The one with the most unique percentage of the letters A, d, r, o, n in their nickname, which kind of hints at something.