Kate Kane (Arrowverse)

Katherine "Kate" Kane is a tritagonist of the Arrowverse and the protagonist of the 2019 TV series Batwoman. She was first introduced in the Arrowverse crossover Elseworlds.

Kate is the maternal cousin of Bruce Wayne, who was secretly Batman. After surviving a car crash that killed her mother and presumably her twin sister, Beth, Kate attended military school where she was eventually kicked out after coming out as a lesbian. Kate spent five years traveling around the world, learning combat and survival skills before returning to Gotham City where Batman had mysteriously disappeared.

Once returning to Gotham City, Kate discovered her cousin's secret identity and took up his mantle of being Gotham's protector; secretly operating as a vigilante known as Batwoman.

Kate Kane is portrayed by Ruby Rose.

Trivia

 * Ruby Rose's portrayal of Batwoman is the first live-action portrayal of the character.
 * Kate is a vegan.
 * Kate has many tattoos, it is also implied by Kara Danvers that she has some that can't be seen.
 * Kate can hold her breath for two minutes.
 * Kate is allergic to feathers.