moreprototype.js

var linkedChild1 = Object.create(sharedParent);
var linkedChild2 = Object.create(sharedParent);

//now you become a Panda... but it could effect everyone else making them sad
linkedChild1 = Panda(linkedChild1);

var unlinked1 = Object.create(parent.clone());
var unlinked2 = Object.create(parent.clone());

//now you become a Grizzly leaving everyone else behind so you can eat them
var raaar = Grizzly(unlinked1);