Red Deer Sentry Joe was a character from the Captain Scarlet and the Mysterons episode Avalanche. He was guarding the entrance to Frost Line's Big Bear base, before he was shot dead by the Mysteronized Eddie.
Joe was voiced by Martin King.
- Joe's puppet was previously that of Harris, a security guard at the Culver Atomic Centre, and later a Helijet Pilot and a Waiter.
- In The Secret Service, it was given a moustache and used as the Car Enthusiast in A Question Of Miracles and Calow in Last Train To Bufflers Halt.