Kjersti Trollson (spelled Trollsøn on her doll box and on her diary) is an exchange student, visiting Monster High, in order to broaden her knowledge and be more interactive and active overall. She is also the daughter of a troll couple, from Goreway, her native country. Her video game username is TrollHammer530 (pronounced aloud Troll Hammer five-three-zero). Where she lives, Goreway, pronounced as Gore-way, is based on Norway, a Germantic country of the language Norwegian, making Kjersti's native nationality Gorewegian. She speaks with a Norwegian accent in a high-pitched, girly, nerdish voice. Also her name is pronounced as Kirsty, or Kersty, the J being slightly muted. The letter "ø" in her name is based off the Germantic-language letter, such as the Norwegian language, which is still