Pudsey Bear has a long history of association with Doctor Who and its connected series.
Production images
Pudsey with Letitia Dean during the filming of TV: Dimensions in Time
Pudsey with Colin Baker (the Sixth Doctor), Jon Pertwee (the Third Doctor), and Sylvester McCoy (the Seventh Doctor) in Bessie. (TV: Dimensions in Time)
Pudsey with Peter Davison (the Fifth Doctor) and David Tennant (the Tenth Doctor) on the set of TV: Time Crash.
Pudsey with Matt Smith (the Eleventh Doctor) during the filming of TV: The Naked Truth.
Pudsey with Peter Capaldi (the Twelfth Doctor) on the set of TV: Twice Upon a Time.
Pudsey with David Bradley (the First Doctor), Pearl Mackie (Bill Potts), and Peter Capaldi (the Twelfth Doctor) on the set of TV: Twice Upon a Time.
Images from stories
Pudsey appears in NOTVALID: Mind My Minions
Pudsey is held by Eddie Redmayne (NOTVALID: Looking for Pudsey
Merchandise
Pudsey as the Fourth Doctor
Pudsey as the Tenth Doctor
Pudsey as the Eleventh Doctor
Blush as the Thirteenth Doctor (Blush is the more-obscure female counterpart to Pudsey)