There is nothing I could say right now that hasn't already been brought up in this thread, so I'll just say I understand most of the points brought up both for and against the possibility of adding clans to this site. As it stands, I'm willing to support the addition of a clan system because I feel like the pros overpower the cons (for now).
The question I keep seeing, though, is how many clans to add. Almost everybody who has said something regarding that has mentioned something Zelda related. Let us not forget that this is both a Zelda and Pokémon forum. Zelda is the dominant species here already, so I believe a clan system would be a good way to give the Pokémon series some more love. I brought this idea up earlier in this thread, and I stand by it; I think the general consensus is to have 6 clans, which seems reasonable, so how about basing them off the 6 main villainous teams in the Pokémon series? You've got Team Rocket, Team Aqua, Team Magma, Team Galactic, Team Plasma and Team Flare. You could choose which team you would rather join, perhaps based off the respective Team's motives/personality (Team Rocket is power hungry, Team Aqua fights for the good of water Pokémon, etc.). Obviously, we're not villains here, but we could join the team we want if our personality is similar to theirs. I think it would be cool to call myself a member of one of the villainous teams, even if it is just for fun on an internet forum.
Of course, the issue here is how you go about joining. Do you simply choose the one you like best and join? Do you get voted in based on your personality by other members of the clan? Do you take some sort of personality quiz to determine which clan you'd fit in with best? I'm sure something could be figured out.