Ernst Stavro Blofeld is a fictional character and a supervillain from the James Bond series of novels and films, who was created by Ian Fleming. An evil genius with aspirations of world domination, he is the archenemy of the British Secret Service agent James Bond. Blofeld is head of the global criminal organisation SPECTRE and is commonly referred to as Number 1, an official numerical position given to members of SPECTRE. The character was originally written by Fleming as a physically massive man, standing around and weighing 21.6 stone (about ), and very powerfully built.