Kalluto Zoldyck is the younger brother of Killua. He was initially introduced accompanying his mother during Gon's retrieval of Killua from Kukuroo Mountain. Kalluto appears again during the Phantom Troupe arc, assisting his older brother Illumi with the assassination of the ten mafia dons that placed bounties on the Phantom Troupe's heads. After the Phantom Troupe's entrance into Greed Island, Kalluto joins as Hisoka's replacement. During the Phantom Troupe's assault on Zazan's palace in Meteor City, he reveals he joined the Spiders with the intention of finding his missing older brother Killua.
The main character, a 13 year old boy living in Manchester, is an inventor following the paths of his father and grandfather. He possesses a mechanical talent that was inherited from his family, and demonstrates this in at least two instances by building a steam-powered riding wheel and a steam-propelled flying device. He has a youthful idealism and sincerely dislikes the employment of technology for harmful purposes. During the film his motivations are alternately swayed by the influences of his father and grandfather.
Charlotte Elbourne was the girl that was thought to be kidnapped by Meier. Later it is revealed that she and Meier were actually in love and were running away to be together. Charlotte wanted Meier to turn her into a vampire, but Meier refused to do so. They planned to use Carmilla's spaceship to escape into space. (source: Absolute Anime)
She is an American journalist, author of the nonfictional book "The Invader," which discusses the invasion of the JAM and the confrontation with the terrestrial side—the FAF. She travels to Antarctica several time to do research for her book and continuously sounds the alarm bell of how the JAM are a serious threat to the mankind.