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.
An Arkham Asylum psychiatrist, who begged and eventually convinced her superiors to treat The Joker, Dr. Harleen Quinzel became obsessively fixated on her patient, and believed herself to be in love with him. She helped him escape from confinement and took on her own criminal identity as Harley Quinn.