<P> Unfortunately, Carla is not as popular with many parents of the students . Colleen's mother becomes angry with her for supposedly preaching religion (telling Jeff and Colleen about the Zen Buddhist monks) and counseling Colleen without permission . As a result, Carla is fired and becomes a kindergarten teacher . When he hears this, Bradley becomes very upset and threatens to revert to his original behavior . Although he misses saying goodbye to Carla, he does return to the school and finds a package she leaves for him . The package contains a goodbye note from her and her book . In the end, Bradley starts to come to terms with Carla's departure . He writes her a goodbye letter of his own and sends his most prized possession with it, a small china rabbit named Ronnie . </P> <Ul> <Li> Bradley Chalkers--Considered the meanest kid in school; however after he meets Carla he realizes that if he believes the people who call him a "monster", then that is what he will become . He must believe in himself . A common trait of Bradley is that he can never smile properly, as no one can tell if it's a smile or frown . </Li> <Li> Carla Davis--the school counselor . Unlike the teachers at the school, she prefers to persuade students to do the right thing instead of outright telling them what to do . Although students like Jeff, Bradley, and Colleen like her, she is very unpopular among the parents, who believe that a counselor is unnecessary . She is the reason for Bradley's turnaround . She believes in him and gives him confidence . </Li> <Li> Jeff Fishkin--Colleen's crush and the new kid . Has a habit of automatically saying "hello" or "hi" to people when they greet him . He becomes Bradley's only friend, only because he was paid a dollar . Later, he rejects him for cooler friends . After Bradley starts acting nicer, he and Jeff become friends again . He and Colleen become closer at the end . Jeff is also well known for walking into the girl's bathroom by mistake, hence the name of the book . </Li> <Li> Colleen Verigold--Jeff's crush . She has a birthday party at the end of the story and invites all her friends, as well as Jeff and Bradley . At first she was reluctant to invite Bradley, until she saw how much he had changed for the better . </Li> <Li> Melinda Birch--Colleen's tough best friend . She fights with Bradley frequently, although she likes him better by the end of the book . </Li> <Li> Lori Westin--the biggest gossip in school . Nicknamed "Lori Loudmouth" by Bradley because of how she gets on his nerves . </Li> <Li> Mrs. Chalkers--Bradley's mother . She cares about him and too often babies him . She tries to help him out, despite his behavior . </Li> <Li> Mr. Chalkers--Bradley's father . He works at the police department but was shot in the leg by a robber and has been demoted to desk work instead of going on patrol . Although he and Bradley fight at the beginning of the book they become closer by the end because he helps Bradley with his homework . Although he originally doesn't like the school having a counselor, he changes his mind when he sees how much she helps Bradley . </Li> <Li> Claudia Chalkers--Bradley's 15 - year - old sister . She usually teases him and is mean . She is occasionally nice however, such as when she buys him a small china bear after she accidentally breaks his miniature rabbit or when she helps him with his math homework . </Li> <Li> Ronnie--Bradley's favorite toy animal, a china rabbit . She is very real in his imagination, as a funny, happy - go - lucky rabbit that's also in love with Bartholomew . She has a broken ear given to her by Claudia . She is given to Carla at the end of the book as a gift from the heart . She can be seen as a personification of the friendship Bradley wants, as he imagines her speaking to him in the same way Carla does . In the middle of the book, Ronnie drowns in quicksand when Bradley becomes angry with Carla for leaving the school . Ronnie is later alive and well and Bartholomew makes up with her after Bradley comes to terms with Carla leaving . </Li> <Li> Bartholomew--Bradley's china bear that Claudia bought for him after she broke Ronnie's ear . In Bradley's stories, he's usually the hero, and is in love with Ronnie . He's also responsible for the brief death of Ronnie by not saving Ronnie from quicksand which caused her to temporarily drown . He can be seen as a personification of who Bradley wants to be (a hero with lots of friends and someone who loves him). </Li> <Li> Mrs. Ebbel--Bradley's teacher . She teaches her class at Room 12 . She has very little faith in Bradley to succeed and expresses her concern to Bradley's mother . </Li> <Li> Judy and Betty--2 of the guests at Colleen's party who are best friends . </Li> <Li> Amie and Dena--2 of the guests at Colleen's party who always do everything together and wear matching clothes . </Li> <Li> Karen--One of the guests at Colleen's party who is shy and more mature than the others . </Li> <Li> Robbie, Russell, Dan and Brian--4 boys in Jeff and Bradley's class who are friends with Jeff . </Li> <Li> Andy, Curtis and Doug--3 boys who are friends with Jeff who aren't in his class . </Li> <Li> Shawne--the girl who sits in front of Jeff in class . </Li> <Li> Mrs Wilcott--the school librarian </Li> <Li> Mrs Kemp--the school janitor </Li> <Li> Mrs Verigold--Colleen's mother </Li> <Li> The president of the school board--he attends a meeting with Carla Davis and the Concerned Parents Organization . </Li> </Ul> <Li> Bradley Chalkers--Considered the meanest kid in school; however after he meets Carla he realizes that if he believes the people who call him a "monster", then that is what he will become . He must believe in himself . A common trait of Bradley is that he can never smile properly, as no one can tell if it's a smile or frown . </Li> <Li> Carla Davis--the school counselor . Unlike the teachers at the school, she prefers to persuade students to do the right thing instead of outright telling them what to do . Although students like Jeff, Bradley, and Colleen like her, she is very unpopular among the parents, who believe that a counselor is unnecessary . She is the reason for Bradley's turnaround . She believes in him and gives him confidence . </Li>

There's a boy in the girl's bathroom by louis sachar movie