Toby was the son of physicist Sir Rupert Silverman. When he was young he used to be visited by a grey faceless entity, which his father would dismiss as a dream. Despite pleading to him, he still did not let him change rooms. Toby stayed in contact with Sarah Jane and her team. Professor Rivers and Toby went to Luke Smith's second farewell party before Luke was going to the University of Oxford. (PROSE: The Nightmare Man)