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.
This is the look the filmmakers have gone with. The New 52 also saw Harley's inclusion in the latest comic book version of the Suicide Squad, the government-sponsored black ops team of supervillains. She is also starring in another new Harley Quinn series which has proved to be a huge hit.