Same here, especially considering how with the users I did have the chance to interact with (e.g. Dragonwitch, Ghostrix, and a few others) there are several cases where I wish I could go back with the knowledge and experience I have now. Haven't thought as much about the ones before my time on the forums though, as them being inactive means I never got the chance to even really see them.
Terraria Community Forums
Streyll