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.
New voice for Harley Quinn in Batman: Arkham City. Arleen Sorkin pretty much owns the role of Harley Quinn -- well, she did. Sorkin, who helped create the character in the early 90s on Batman: The Animated Series, won't be voicing Harley in this fall's Batman: Arkham City (despite carrying on the role in the first game). Instead, veteran voice actor Tara Strong will take her first stab at Harley.