Animating an object or character with the correct weight is an assignment often entrusted to visual effects studios. This can range all the way from CG bouncing balls to digital humans and, of course, synthetic creatures. When those creatures are enormous as was the case in Brad Peytons monster film Rampage conveying just the right amount of weight is perhaps even more crucial.http://vfxvoice.com/weta-digital-gives-weight-to-the-giant-monsters-of-rampage/