Heavy Shinobi is a character that appears in the Sonic the Hedgehog comic series and its spin-offs published by IDW Publishing. He is an advanced Badnik created by Dr. Eggman, and a member of the Hard Boiled Heavies from another dimension set in the recent past.
Decorated as a ninja, Heavy Shinobi's design reflects that of a green haori possessing a yellow-triangular cross-pattern chest piece, with said yellow cross pattern also appearing on his hand and foot cuffs. He has a black bottom torso, red eyes, gray appendages, and green zōri-like forefeet. He also possesses a dark green scarf, keeping with the ninja aesthetic.
Dr. Eggman's Birthday
In honor of Dr. Eggman's birthday, Heavy Shinobi, along with several other Badniks, launched an attack against Sonic the Hedgehog, only to be called off by Dr. Eggman himself, who ordered Heavy Shinobi and the other Badniks to return to his base. There, he lectured them about how they were unprepared to fight Sonic. Despite Heavy Shinobi feeling ashamed for his involvement in the attempted assault, he and the other Badniks still wished Dr. Eggman a happy birthday when the cake was brought out.