Robert Smith is a character mentioned in Fallout 4.
Robert "Bobby" Smith was a boy who lived before the Great War. He was admitted into the Parsons State Insane Asylum on August 10, 2074, at the age of 9 going by his birthdate of November 23rd, 2064. The patient notes state his constant laughter is ceased only by Bach's Toccata and Fugue.
Robert Smith is mentioned only in Fallout 4.