Classify each of the following as characters who appear in books by Kevin Kwan or Veronica Roth: Astrid Leong-Teo, Kitty Pong, Colin Khoo, Peik Lin Goh, Charlie Wu, Caleb Prior, Beatrice Prior, Tori, Jeanine Matthews, Tobias Eaton

Kevin Kwan characters: Astrid Leong-Teo, Kitty Pong, Colin Khoo, Peik Lin Goh, Charlie Wu
Veronica Roth characters: Caleb Prior, Beatrice Prior, Tori, Jeanine Matthews, Tobias Eaton