Frieza is one of the most iconic villains in the Dragon Ball Z series. He is the tyrannical emperor of Universe 7, feared for his ruthless and sadistic nature. Frieza is a member of the powerful Frieza Race and is known for his multiple transformations, each increasing his combat abilities. His character plays a crucial role in the series, particularly during the Namek Saga, where he seeks the Dragon Balls to achieve immortality. Frieza's interactions with Goku and his allies are pivotal, showcasing his cunning and malevolent nature.