Oh do you know that we dont have english members? (Usseles post, if its alone but it is attached to a non-useless post so it isnt useless.)
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I think 3 is better than 2 because if one is inactive 2 can take decisions
Just kick the inactive members, you already gave them too many chances to get active.
I know that Something is kinda busy because of school, so I would suggest you talk with him about getting a second leader when he's online again. Scorpionma is the best person for the second leader in my opinion because he has been here from the beginning I think and he's forum active.
If something will add a neew leader this sometime i tkink scorpionma is the most qualified person to be. But the co-leads can do like the leader: kick, edit clan thread, do wars, chage players ranks... So it doesn't really matter