Christopher John Francis Boone -
The narrator and protagonist of the novel. Fifteen-year-old Christopher
is mathematically gifted struggles for social acceptance and understanding as a
result of his apparent autism. He views the world largely in absolutes, dividing his
life experience into a series of extreme likes and dislikes. He feels most
comfortable with logic and order, making Wellington’s murder an irresistible puzzle
for him to solve. He resides with his father and pet rat Toby at 36 Randolph
Christopher’s father (Ed Boone) -
Single father of Christopher. Father prepares meals for Christopher and
sees to his daily needs. Later on, Christopher uncovers elements of his life that he
has long tried to keep hidden. Father owns a heating maintenance and boiler repair
Christopher’s mother (Judy Boone) -
Christopher believes she died of a heart attack prior to the time when
the novel begins. Remembered as a loving but impatient and volatile woman, she was
at times overwhelmed by the difficulty of caring for her troubled son.
Mrs. Shears (Eileen Shears) -
A neighbor of the Boones’s. Eileen Shears is the ex-wife of Roger Shears.
Christopher remembers that she would often visit to cook meals and play scrabble in
the wake of his mother’s death. The murder of her dog, Wellington, provides the
major dramatic impetus for the novel.
Mr. Shears (Roger Shears) -
Estranged husband of Eileen Shears. Roger Shears once worked at a bank in
town, but moved to London rather suddenly a couple of years ago, leaving Mrs. Shears
behind. His mysterious nature leads Christopher to investigate him as a possible
suspect in Wellington’s murder.
Christopher’s primary teacher at school. An even-handed mentor, she works
to expand Christopher’s horizons socially as well as academically. As a result, she
is one of the few people whom Christopher trusts, and in the limited moments when
the reader sees her, she mirrors the reader as an observer and commentator on
Mrs. Alexander -
An elderly resident of Randolph Street. A kind lady, Mrs. Alexander lives
a quiet existence filled by caring for her garden and pet dachshund, Ivor. She
exhibits grandmotherly tendencies toward Christopher, owing in part to his
resemblance to her own grandson. She reveals to Christopher important information
about the affairs of Christopher’s father and mother.
Mrs. Shears’s large black poodle. Largely docile until an operation left
him erratic and occasionally violent, he is found dead in the opening scene of the
novel with a pitchfork through his side.
Christopher’s brown and white pet rat. Christopher adores Toby and treats
him as a friend and family member. He later becomes Christopher’s sole companion on
his harrowing journey to London.
Mr. Jeavons -
A middle-aged man and the psychologist at Christopher’s school.
Father’s co-worker. Rhodri is a smelly and obnoxious man who often prods
Christopher with difficult math questions for his own amusement, but he also happens
to be one of Father’s only social outlets.
Christopher’s first primary teacher at school.
Uncle Terry -
The brother of Ed Boone. He works at a factory in
Reverend Peters -
Mrs. Peters’s husband. A vicar, he agrees to be the invigilator (proctor)
for Christopher’s A-level math exam, and so plays a key role in determining
Mrs. Gascoyne -
Christopher’s school principal. Although skeptical of Christopher’s
abilities, she agrees to let Christopher take his A-level math exam.
Mr. Thompson -
Resident of Randolph Street. Mr. Thompson is one of the many neighbors
whom Christopher interviews during the course of his investigation.
Mr. Wise -
A resident of Christopher’s block. Another interviewee, he lives with and
cares for his disabled mother.