James Acaster's fireman? Sian Gibson's concerned copper? Lee Mack's paramedic?

James Acaster: “This is Jerry, he's the fireman who every Boxing Day soaks me with water during a festive game of Squirt.”
Lee Mack: “This is Jerry, he's the paramedic who ticked me off last Christmas after I landed my drone in his ambulance.”
Sian Gibson: “This is Jerry, and he was the policeman who came to investigate when I was heard screaming during a Christmas game of Twister.” Series 12 At Christmas Special. The guests are Lily Allen, Noddy Holder, James Acaster and Sian Gibson.