http://25.media.tumblr.com/tumblr_ltx046hy0k1qzkrfxo1_500.jpg
Exactly what it says on the Tin.
I'd have added Dr. Who, but I've yet to find an image where the Doctor's holding up a Lightsaber and becoming a Super Saiyan God, so Sue me!
Where do you wanna start out with the common grounds and differences between the two?