Omega Red, whose real name is Arkady Rossovich, is a major antagonist in the anime Wolverine. He is a Russian operative shaped by a Soviet program intended to create living weapons. Before his transformation he was a violent and ruthless soldier whose brutality made him a suitable subject for experimentation. The Soviet military turned him into a cyborg by implanting retractable carbonadium coils in his arms. Carbonadium is a durable artificial metal, and the coils serve as both offensive weapons and a means of feeding: Omega Red can wrap them around victims and drain their life energy. This ability is not merely an attack; it is essential to his survival, because the carbonadium in his body slowly poisons him and he must regularly absorb the life force of others to stay alive. He is also associated with poisonous pheromones, sometimes called death spores, which can kill humans quickly.

In terms of personality, Omega Red is predatory, sadistic, and menacing. He takes pleasure in dominating and destroying his enemies and carries himself with the cruel confidence of a government-created killing machine. His cold-blooded nature and constant need for life energy make him a danger to anyone around him.

His central motivations are survival and vengeance. Because of his condition, he is driven to keep hunting, and he holds a personal grudge against Wolverine. The two share a deep and violent history dating back to the Cold War era, and that past is central to their conflict. Wolverine's connection to the events surrounding Omega Red's transformation makes him a key target in the struggle to control or stabilize the technology that sustains and poisons him.

Within the story, Omega Red functions as a primary antagonist who directly confronts Logan. Their fierce battle brings up their shared history and reveals how the two first met, giving the fight a deeply personal weight. The narrative develops his character largely through these revelations of his past with Wolverine, showing the long-standing enmity between the two men and the destructive legacy of the program that created him.

In terms of abilities, Omega Red possesses superhuman strength, stamina, durability, agility, and reflexes, along with an enhanced healing factor. He is a highly capable hand-to-hand combatant, having been trained in armed and unarmed combat through Soviet military programs. His carbonadium coils are among his most dangerous assets, allowing him to strike from a distance, restrain opponents, and drain their life force. Combined with his regenerative abilities and willingness to kill, he stands as one of Wolverine's most formidable opponents.