Who's the oldest and most experienced member in Mylot?

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I was just replying to some of the newbies discussions, when I started wondering who the oldest or the first member to join Mylot is? I don't think it depends on the highest no. of responses or discussion one has contributed. If somebody has such statistics please let me know. Or else, if you think you're the most experienced, please respond here. I hope this discussion can help me find that out.