Shadow knuckles

Shadow Knuckles (Previously dark knuckles) is the main antagonist of the emeraldo coast arc and is the first main villain. He makes his debut at the end of the first episode and is voiced by @tomamoto

Shadow shenanigans
Shadow knuckles recruits Team Vengeance to help him find the shattered pieces of the master emerald, and he disguises himself as knuckles by painting himself red. He then tries to stop Team vengeance from finding the shards by harassing them throughout the heroes journey and he even tries to kill them at several parts. Once Team vengeance returned the pieces of the master emerald 'Knuckles' revealed himself as Shadow Knuckles who later revealed himself as Snivley

Personality
Shadow knuckles is slow but courageous. He likes snowboarding and relaxing on the beach but he is sensitive to sunlight. He also doesn't like being shouted at and tries to avoid physical violence