The shallow part is 4 feet. This depth makes the flip turn easy and possible. The pool is deeper, 6 feet, than Jing's height 5 feet 9 inches. In this Worthington pool, when Jing makes turns, Jing knows that he will not hit the bottom of the pool. Therefore, he dares to make the turn.
Batman: The Animated Series. Episode: Joker's Favor. Dr. Harleen Francis Quinzel, also known as Harley Quinn, first appeared in the Batman: The Animated Series episode Jokers Favor (episode #022, original air date: September 11, 1992) where she served as a humorous female sidekick to the Joker.
Harley next appeared in Batman #663, in which she helps the Joker with a plan to kill all his former henchmen, unaware that the punchline to the scheme is her own death. Upon realizing this, she shoots him in the shoulder. In Birds of Prey #105, Harley Quinn joins the Secret Six as the sixth member.