Uka Uka is a character from the popular video game series Crash Bandicoot. He is depicted as a powerful and malevolent mask, serving as the main antagonist in several games. Uka Uka is the brother of Aku Aku, a protective mask that aids the protagonist, Crash Bandicoot. In the games, Uka Uka seeks to unleash chaos and destruction, often working alongside villains like Dr. Neo Cortex. His character embodies dark magic and serves as a symbol of evil, contrasting with the heroic themes represented by Crash and Aku Aku.