Koba is a fictional character from the Planet of the Apes franchise, first appearing in the film Dawn of the Planet of the Apes. He is a genetically enhanced chimpanzee who was once a lab animal, subjected to experiments that gave him increased intelligence and strength. Koba is known for his deep resentment towards humans due to his traumatic past, which drives much of his actions throughout the story. In the films, Koba becomes a key antagonist, challenging the leadership of Caesar, the protagonist and leader of the ape community. His character represents themes of betrayal and the struggle for power, highlighting the complexities of ape society as they navigate their relationships with humans and each other.