Bruno is a 9 year old and is very mad at his parents for making them move to different houses. Bruno also has a sister named Gretel and she takes all of her dolls to the new house and Bruno doesn't like that.
Gretel is a 12 year old and she likes to play with dolls. She considers herself smarter that Bruno, but we haven't found any good evidence yet to support that evidence.
Pavel is both a doctor and a cook, but when Bruno gets hurt on a swing Pavel helps Bruno by washing the bruise away. He is sort of a mysterious character because we don't know much about him except the fact that he helped Bruno with his bruise.
Father is the commandant to the Fury and needs to have special meetings with him to figure out his next plan for the concentration camp
Mother is a very kind woman and cares dearly for all of her family. She was against going to Out With, but they all had to go. She is nice in the book and is very peaceful.
Shmuel lives in a concentration camp with a bunch of other people. Kids, adults, grandparents and more. The concentration camp is called Auschwitz. He makes friends with Bruno, but later dies in a gas chamber with Bruno disguised as a Jew.