Talk:ShodaiGigan/@comment-27767947-20160707112119/@comment-1030114-20160707184436

What TKoTM said, but I might as well give you a condensed answer.

ShodaiGigan MegaroGigan
 * Darker skin than the MegaroGigan
 * Moving buzzsaw
 * No golden scales on neck
 * Crescent-shaped visor
 * Curved horns
 * Slightly lighter skin tone
 * Static buzzsaw (as Gigan is never shown using his Buzzsaw on any of the characters in the film
 * Slightly-less curved visor
 * Golden scales running up to around halfway up the side of the MegaroGigan's neck
 * Longer mandibles
 * Straighter horns