A freezing, wretched wreck in the making. Outer shell serves as container for his loose components. Enjoys making his enemies feel worse than he does. External, pressure-sensitive shell enables him to dive to a depth of 30,000 feet. Specially- reinforced scale armor is composed of "living" mecha-organisms that regenerate spontaneously to protect inner circuitry. Equipped with metal-corroding stun rifle that ensures the enemy in a layer of thick, vicious underwater slime. Transforms to high-speed hovercraft equipped with long range sonar and scanners. Also armed with jet-propelled, armor-piercing harpoon gun.
Finback appeared in the following 15 comic books: