The Prime Minister has a spokesman, regularly quoted in newspapers.
Mrs May spoke to the Queen on the phone on Easter Monday to let her know of the election plan, the prime minister's official spokesman said. She also got the full backing of the cabinet before calling the election. http://www.bbc.co.uk/news/uk-politics-39629603
Asked by journalists on Monday whether a Naval taskforce would be sent to defend Gibraltar, the Prime Minister's spokesman said: "That isn't going to happen." http://www.birminghammail.co.uk/news/midlands-news/were-not-going-war-spain-12837126
Asked this morning if the UK was considering joining in America's military action, the Prime Minister's Spokesman repeatedly said "Our focus is on a political solution". http://www.itv.com/news/2017-04-10/will-the-uk-join-americas-military-action-in-syria/
Who are they? What's their name? Are there any published video or audio recordings of them giving statements? Are they ever seen with the Prime Minister, or do they only meet in private?