Ernst Stavro Blofeld is the most iconic, active, perpetual and influential villain and the main antagonist in the James Bond series. He is an evil and knowledgeable mastermind and the archenemy of James Bond.
Ernst Stavro Blofeld is the head of the global terrorist organization SPECTRE with aspirations of world domination. He makes anonymous, cameo appearances in From Russia with Love and Thunderball while appearing as the main antagonist in You Only Live Twice, On Her Majesty's Secret Service, Diamonds are Forever. He is recognizable for frequently petting his white Persian cat.
He also appears in the rebooted series, acting as the main antagonist in Spectre with his organization as the titular supporting antagonists.
He was portrayed by Donald Pleasence, Telly Savalas, Charles Gray, Max van Sydow and Christoph Waltz.