Kyle and Ken Katayanagi (aka The Katayanagi Twins) are the tertiary antagonists in the graphic novel series Scott Pilgrim, and it's movie adaptation/game Scott Pilgrim vs. the World. The Japanese duo Kyle (the white-haired one) and Ken (the black-haired one) are, in order, Ramona Flowers' fifth and sixth ex-boyfriends, who are also part of the League of Evil Exes. They were played by Shota Saito and Keita Saito in the movie adaptation.