I feel like the ears should be slightly bigger, but other than that I reckon it works fine!
With that said though, most of the characters have differently-shaped heads, notably Tails and Knuckles. You definitely should use the same head as a base so that all the characters are consistent, but I would still make sure you edit it heavily each time. Don't get lazy now! :P
With that said though, most of the characters have differently-shaped heads, notably Tails and Knuckles. You definitely should use the same head as a base so that all the characters are consistent, but I would still make sure you edit it heavily each time. Don't get lazy now! :P