Zaroff's guard

 searched for the Second Doctor after he escaped from Zaroff's lab. He also brought Jamie and Ben to the Overseer in the mines. He searched for the Doctor again after he was rescued from being sacrificed with Ramo by his friends. He went over to Nola's stall, where Polly was, and started to poke holes in her carpets with his trident until Nola told him off. (TV: The Underwater Menace)