A feline litter usually consists of two to five kittens born after a gestation lasting between 64 and 67 days, with an average length of 66 days. Kittens emerge in a sac called the amnion, which is bitten off and eaten by the mother cat.
Harley Quinn. Dr. Harleen Francis Quinzel, also known as Harley Quinn AND is a 'VILLAIN' not 'ANTI-HERO', 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.
In their first session together, she introduced herself as Dr Harleen Quinzel, but stressed that he could refer to her as Harley Quinn, like the medieval jester Harlequin. Joker had been silent until then, but he suddenly began laughing and asked if she was flirting with him.