Shachi is an average-sized lean man with red hair reaching his shoulders, always seen wearing sunglasses and a blue hat with a red brim—though after the timeskip, he swaps it for a new hat resembling a killer whale. Like most Heart Pirates, he wears a beige overall emblazoned with their Jolly Roger on the back and chest pocket, along with brown boots. A tattoo marks his forearms. In Wano, he dons a dark yukata with the crew's symbol. Beneath the cool shades, Shachi is a pleasant and loyal soul, fiercely devoted to his captain, Trafalgar Law. He shares his crewmate Penguin's appreciation for women. As a teenager, however, he was a different story—a bully prone to mocking others and starting fights.