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.
the joker s real name is jack napier in the cartoon and 1989 film and he first appeared in batman 1 in 1940 in the comics the joker is never given a full name although t he name jack is used in batman confidential issues 7 to 12 2007