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.
âHarley Quinn. Dr. Harleen Frances Quinzel, also known as Harley Quinn (a pun on the word harlequin), first appeared in the Batman: The Animated Series episode Joker's Favor, where she served as a humorous female sidekick to the Joker.
Her origin was revealed in Dini and Timm's Eisner Award-winning 1994 comic The Batman Adventures: Mad Love. Harley Quinn was Dr Harleen Quinzel (seriously), a psychiatrist interning at Arkham Asylum who fell in love with the Joker which - professional ethics aside - is not something a sane person is likely to do.