You've finally met your match, Batman. Not surprising, it's a woman!
~ Red Claw
Red Claw is an international terrorist leader and a villainess from Batman: The Animated Series.
Her origins are unknown but she presumably has an Eastern European background. At one point, Red Claw and her cover organization, Multigon International came to Gotham City to steal lots of weapons. Her tactics were fast and organized to escape Batman's tracking and the police. Red Claw obtained several weapon and a small military complex through Multigon. She also planned to obtain a government plague that can decimate all life within a 10 mile radius.
However, their activities caught the attention of an animal rights activist Selina Kyle who has been fighting to posess the same land Multigon bought to make a preservation for the mountain lions. As Catwoman, Selina broke into the Multigon building to find incriminating evidence and found out a few parts of Red Claw's plans. Red Claw wasn't caught unaware as she and her men emerged and looked for Catwoman but she escaped. However, Red Claw learned from her men who tracked Catwoman that Selina Kyle and Catwoman are one and the same person. Red Claw and her goons attacked the train and got the plague but Batman showed up and fought Red Claw's men while she went to the train car and got the canister. Batman attempted to stop her but she threatened to release the plague even Red Claw will also be killed, she will take thousands of innocent people with her which made Batman back away while Red Claw escapes and tells Batman he finally met his match. She ordered some of her men to assassinate Selina Kyle but it was foiled thanks to Bruce Wayne's evasive driving. She demanded $1 billion or she will release the plague on the city.
Both Batman and Catwoman broke into Multigon to cease the terrorist's plans but they were captured due to Red Claw's planning and goons. Red Claw had never actually planned on releasing the government plague into Gotham City. It would be equally dangerous to hold on a deadly weapon and the risk was too high. Instead, she'll release a fake plague on Gotham City and by the time it's realized to be a fake, she'll already have her ten billion dollar gold bouillon payment. She used acid on the canister which activated the chemicals intended to kill the captives Batman and Catwoman in the underground shelter while she and her men evacuate the building. Eventually, the two captives broke free and Catwoman escaped the building while Batman destroys the plague and blaze the building in the process. Although her operation failed, Red Claw seized Catwoman and began beating her ruthlessly but before she could kill her, a mountain lion attacks and pins Red Claw down.