Making shadow puppets on the wall is something that we are all familiar with, but some people take it to a whole other level. But even beyond the shadow puppets and elaborate hand gestures lies another aspect of playing with shadows.
The fact that Batman doesn't have powers makes him that much more hardcore. This scene from the just alright Justice League: War movie perfectly portrays this about him. And it might be a bit out of character maybe, but I love that smile at the end