Mock Turtle (Iris Wildthyme and the Land of Wonder)

From Tardis Wiki, the free Doctor Who reference

The Mock Turtle was inside the vehicle that Iris Wildthyme and Panda found under the London Underground in 1973. He had a cow's head and a Bristonian accent. He was shot by the Ministry for Alien Incursions and Ontological Wonders. He warned Iris and Panda. (AUDIO: The Land of Wonder)