The Magnus Institute archival assistants are named after horror writers for example: Martin Blackwood - Algernon Blackwood, Tim Stoker -Bram Stoker, Sasha James - M.R. James.
In an interview at Virtual Horror Con, Jonathan Sims explained that he initially pitched the series as pure anthology, with "the Archivist" as merely as a presenter figure rather than a character in his own right, which may be the reason the statement reading narrator is named after Jonathan Sims himself.
Series Writer and Lead Actor and his character are both named Jonathan Sims.