ehm, you gave the doll breakable bones attached to the body with hinges (not a bad idea), but the bones already breaks when he's FALLING!!!
That's not right. bones should break when they have some severe pressure on them.
ehm, first flaw. IT'S LAGGING MY ASS OFF!
second flaw: IT'S LAGGING TOO HARD!
third flaw: IT'S WAY TO LAGGY, TOO!
fourth flaw: ALL THESE OBJECTS ARE SOMEONE ELSE'S AND YOU AREN'T EVEN COMMENTING THEM!