Why is Kate's name not on the wall?
Ben a European History teacher in the alternate reality??
Locke is speaking to his father in the alternate reality? Then why is he in the wheelchair?
Who is Richard? Why is he so scared of Locke/smoke monster dude?
Why is smoke monster dude stuck in Locke's form now?
Who is that kid? Why can Sawyer see him when Richard can't?
OMG THE NUMBERS.
Does the name Kwan represent Sun or Jin? Or could it somehow be both? Or maybe it's their daughter!
My first thought, on seeing the kid, is that he was an aged-up Aaron. Then I thought maybe it was Jacob. Now I'm wondering: what if he's both?!