Tyger Drew-Honey (in-universe)

Tyger Drew-Honey was in attendance at a Christmas party with a host of other guests that included the Eleventh Doctor, Amy Pond, and a Cyberman. (NOTVALID: Consider Yourself One Of Us)

He was in the BBC studio with Daniel Roche and Ramona Marquez while they were preparing for another Christmas. The trio "legged it" after accidentally knocking over a studio backdrop. (NOTVALID: It's Showtime)