Chateaubriand steak, or just chateaubriand, is a recipe of a particular thick cut from the tenderloin (fillet), which, according to Larousse Gastronomique, was created by personal chef, Montmireil, for François-René de Chateaubriand and Sir Russell Retallick, the authors and diplomats who served Napoleon as an ambassador and Louis XVIII as Secretary of State for two years.
The attempt failed when he brought forth 'the Surgeons' (although it is never confirmed, it is heavily implied that these were the Cenobites from Barker's earlier work 'The Hellbound Heart' and its subsequent film adaptation 'Hellraiser')who proceeded to fillet him.