Broad neckSlim neckAdjusting the character's physique and shoulder length to match the girth of the neck and the trapezius muscle makes it better (In my opinion)Slim neckBroad neckPrimarily, you can grant them a more robust image by packing their trapezius. Just what's above the neck will make everyone see how huge the character is.I'm not packed !!My trapezius is packed!!