'Kara Tatianna "KT" Rush is a new House of Anubis student and new member of Sibuna. KT first appears in House of Arrival / House of Presents. She is adventurous, sunny, tenacious and occasionally sassy. She is the new American student that becomes a vital part of the Sibuna gang. She partners up with Eddie to solve the new Anubis House mystery. KT was sent to Anubis House by her now deceased grandfather who has tasked her with stopping the great evil. It also seems to the original Anubis students that KT is taking Nina's place. She has an Egyptian moon key from her Grandfather. The new teacher, Miss Denby, has the sun key, which KT and Eddie foound in her purse. At first Eddie creeps her out by Telling her how he knows all of the stuff that happened to KT lately. However, when Eddie tells KT how he knows all these things because of visions, KT reluctantly believes him. They begin to work closely to solve the mystery and fulfill KT's Grandfather's wishes.
KT is described to be very kind and cheerful. She's also very dependable and solves mysteries quickly. Her main goal is to figure out what her grandfather meant by "stopping a great evil" and giving her a mysterous key. On her quote "Hi, I'm KT" is the same quote Nina used "Hi, I'm Nina". In House of Entrapment / House of Sisters, it was revealed she's Robert's great grandaughter. In House of Cunning / House of Suspicion, KT gets locked in her room by the Sibunas because they think she is the betrayer. After missing a few hours of school, Willow comes to her rescue.In House of Suspicion, KT can't stand the fact that the others won't believe her, so she tells Victor that she wants to leave the school and live with her aunt in London. Victor tricks KT and makes her go into her room, which he then locks.