 Later incarnations of the Doctor have shown varying degrees of expertise in hand-to-hand combat, although only some spin-off material explicitly identifies the later Doctors' combat skills as originating from Venusian aikido.In the "Kung Fu Panda" movie series, the Wuxi Finger Hold technique used by Po is a form of Dim Mak.Likewise, the villain Tai Lung and the mentor Oogway both use a nerve-strike attack to paralyze the opponent.