While getting ready for bed a woman emerges from the grandfather clock. Before leaving, Terry notices a bat stuck inside a grandfather clock. In both serials, the cave is accessed by walking through a grandfather clock. Paul checks the time by pulling a grandfather clock from his shirt picket. The film introduced "The Bat's Cave" and the Grandfather clock entrance. Maybach and Daimler built the "Standuhr Engine" ("Grandfather Clock" engine) in 1885. In later episodes, he is seen using the classic grandfather clock entrance from the comics. An Audio-Animatronic vulture is perched in atop a grandfather clock in the club's upstairs lobby. Daimler baptized it the "Standuhr" (Grandfather Clock) because of its resemblance to a pendulum clock.