Ernst Stavro Blofeld is a fictional character and one of the primary antagonists in the James Bond series created by author Ian Fleming. He is often depicted as the leader of the criminal organization SPECTRE, known for his cunning intelligence and elaborate schemes to achieve world domination. Blofeld is characterized by his distinctive appearance, often portrayed with a bald head and a cat, which has become iconic in popular culture. Blofeld first appeared in the novel "Thunderball" and has been featured in several James Bond films, including "From Russia with Love" and "You Only Live Twice." His character represents the archetype of the evil mastermind, often clashing with James Bond, the British secret agent. Blofeld's influence extends beyond literature and film, making him a significant figure in the spy genre.