Rouge the Bat is an enigmatic, jewel-obsessed treasure hunter and part-time government spy. She is a voluptuous anthropomorphic bat with white fur, tan skin, and turquoise eyes. she features large pointed ears, a pair of small fangs, and dark wings on her back. She is known for her signature attire: a skintight black bodysuit, a fuchsia heart-shaped breastplate, and high-heeled white boots with pink hearts on the toes. She is in love with Shadow!

Shadow the Hedgehog is a jet-black, anthropomorphic hedgehog with sharp crimson stripes running down his arms, legs, and his aggressively upturned, horn-like quills. He features striking ruby-red eyes, a tan muzzle, and a distinctive patch of fluffy white fur on his chest. His specialized attire includes white gloves with thick red-and-black cuffs and high-tech "Air Shoes" hover skates designed for propulsion. Four heavy gold Inhibitor Rings encircle his wrists and ankles, completing his signature dark, high-contrast, and brooding aesthetic. Shadow the Hedgehog is a near-immortal powerhouse whose signature ability is Chaos Control, which allows him to warp time and space to teleport or freeze time, especially when channeling a Chaos Emerald. He manipulates raw chaos energy into offensive attacks like Chaos Spear projectiles and the devastating Chaos Blast explosion. Artificially engineered as the Ultimate Lifeform, he possesses superhuman strength, immunity to disease, and a top speed that directly rivals Sonic when propelled by his rocket-powered Air Shoes