Kate Denali, true name Katrina, is a vegetarian vampire and one of the "original" Denali sisters, along with Tanya and Irina. She has a strong relationship with her coven mates, as well as with the Cullen coven, who the Denalis consider their extended family or "cousins". Kate is strong-minded and has the talent of creating a psychic electrical shock on her skin which shocks anyone who comes into contact with her.
She first meets Garrett in Breaking Dawn when the Cullens acquire their help with the Volturi. They connect and eventually become mates. Her Life and Death: Twilight Reimagined counterpart is Kirill.
She is portrayed by Casey LaBow in the movie adaptations of Breaking Dawn.