Yeti 2 (Doctor Who? 218)

A Yeti and its cohort who both fought in the Yeti Wars tested the Great Intelligence's brilliant psychological breakthrough that putting torches under their chins made them look really creepy. Before they made several commuters flee in terror at Shepherd's Bush in the London Underground, the Yeti verbally reiterated the plan to its co-conspirator. (NOTVALID: Doctor Who? 218)