Danchi Tomoo stars elementary school student Tomoo Kinoshita who lives in the mammoth Edajima Apartment Complex in Building #29 with his mother Tetsuko and sister Kimiko, while his father Tetsuo lives in an apartment in the city. While full of surreal gags, Danchi Tomoo also shows the real emotions of the Kinoshita family and their friends, neighbors, and classmates.
Tomoo Kinoshita (木下 友夫, Kinoshita Tomoo)
Voiced by: Yuuko Sanpei
A fourth-grade student who excels at sports but not at his studies, and always seems to get in trouble. However, he longs to be responsible and often surprises those around him when he displays his big-hearted personality.
Kimiko Kinoshita (木下 君子, Kinoshita Kimiko)
Voiced by: Yui Makino
Tomoo's older sister who is in her second year of middle school. She is part of her school's biology club and longs to have her own bedroom. At one point she begins a journal trade with another person, unaware that it is actually Tomoo's friend Mitsuo.
Tetsuko Kinoshita (木下 哲子, Kinoshita Tetsuko)
Voiced by: Chika Sakamoto
Tomoo and Kimiko's mother. She works part time at the neighborhood supermarket to make ends meet. She claims she once was as beautiful as her daughter, but in her middle age she has gained a significant amount of weight and often tries new exercise equipment to lose it.
Tetsuo Kinoshita (木下 鉄雄, Kinoshita Tetsuo)
Voiced by: Kentarō Tone
Tomoo and Kimiko's father. He does not live with his wife and children, but instead in a bachelor's apartment in nearby Egi Town for work. Despite living apart, Tomoo dearly loves his father, and he loves his family by putting a photo of them above where he sleeps. Neither the reader of the manga nor the viewer of the anime ever get to see Tetsuo's face.
Grandpa (じいちゃん, Jiichan)
Voiced by: Kenichi Ogata
Tetsuo's father who lives in nearby Edajima Town. He is particularly good at making mochi and whenever he tries to give advice, he thinks of what his wife used to say.
Grandma (ばあちゃん, Baachan)
Voiced by: Mari Yokoo
Tetsuo's mother who died before the series began. Whenever Grandpa wants to give advice, he remembers what Grandma told him.
Tomoo's friends, classmates, and neighbors
Masato Yoshimoto (吉本 雅人, Yoshimoto Masato)
Voiced by: Mutsumi Tamura
Tomoo's classmate and neighbor in Building #24. He is an honor student who also wants to try his hand at cooking.
Yoshinobu Yoshida (吉田 由伸, Yoshida Yoshinobu)
Voiced by: Hana Takeda
Tomoo's classmate and neighbor in Building #20. He is also a poor student like Tomoo, and he secretly longs for his neighbor Tomoko.
Mitsuo Kikukawa (菊川 みつお, Kikukawa Mitsuo)
Voiced by: Hitomi Nabatame
Tomoo's classmate and neighbor in Building #3. He and Tomoo do not get along very well because of his bookish nature and also enjoys astronomy. He begins a journal trading with Kimiko, who is unaware that she is sharing her secrets with one of Tomoo's classmates.
Keiko Kamakura (鎌倉 景子, Kamakura Keiko)
Voiced by: Atsumi Fujimura
Tomoo's classmate and neighbor in Building #31. She is a tomboy, and often has to playfully fight the boys to get them to stop acting badly. She has a straightforward personality and obsessed with food.
Keiko's mother
Voiced by: Hiro Nakajima
She often dotes on her daughter, but does punish her when Keiko accidentally ruins one of Sakagami's books.
Yoriko Hayama (葉山 より子, Hayama Yoriko)
Voiced by: Kasumi Hitosugi
Tomoo's classmate and neighbor in Building #22. She and Keiko are good friends. She is an honor student and also has to help take care of her baby sister, but she feels stifled by her place and Keiko tries to break her out of it.
Yukio Nezu (根津 ユキオ, Nezu Yukio)
Voiced by: Asako
A boy from another classroom and neighbor in Building #3. He and Tomoo have a friendly rivalry.
Setsuko Tachibana (立花 節子, Tachibana Setsuko)
Voiced by: Kana Uetake
Tomoo's classmate and neighbor, often called Chairman
(委員長, Iinchō) because of how she takes lead in the class activities. She is not a morning person because she is part of an active online train enthusiast community.
Fukuzawa (福沢) and Fukuoka (福岡)
Voiced by: Yumiko Kobayashi and Aimi Tanaka
Two of Setsuko's friends who the boys are enamoured with.
Masayuki Sayama (佐山 真雪, Sayama Masayuki)
Voiced by: Hiro Nakajima
A grade six student who lives in Building #10 who is trying to become the student body president. He has a twin sister named Mari
(真理) who is his polar opposite.
Hasumi-chan (ハスミちゃん)
Voiced by: Emiri Katō
A girl from the nearby Narumachi Heights neighborhood who Tomoo befriends over playing soccer.
Mako-chan (まこちゃん)
Voiced by: Saori Hayami
Hasumi's friend who tries to make Tomoo only her friend because of a misplaced jealousy from a past fight with Hasumi.
Yuri Maki (真木 ゆり, Maki Yuri)
Voiced by: Kokoro Kikuchi
Kimiko's friend and classmate from Building #28. When they were in grade four, she was involved in a traffic accident that left her comatose. She often appears in spirit or in flashbacks to Kimiko and Tomoo.
Sakagami (坂上)
Voiced by: Mamiko Noto
An 18-year-old girl who lives near the Edajima Apartments, but because of her difficulty in walking she does not attend school as much and has been held back two years. Regardless, she is well versed in the humanities and even some science. She communicates with Tomoo (and Keiko) by smoke signals and firecrackers whenever she needs help. She is also friends with Aoto.
Hidemi Aoto (青戸 秀美, Aoto Hidemi)
Voiced by: Kana Uetake
A year three high school student who lives in Building #10. She is always studying in order to pass the graduation exam and in her free time practices with a yo-yo. She often loses her temper.
Yūji Konno (今野 裕二, Konno Yūji)
Voiced by: Hitoshi Yanai
A college student who lives in Building #2 and works in the local convenience store Tanishi Mart. For this reason, the children of the apartment complex all affectionately call him "Conveni Bro"
(コンビニの兄ちゃん, Konbini no Niichan). He will gladly perform errands for their parents. After his father died, he and his brother Hachirō
(八郎) inherited some money, and Hachirō decided to travel around the world, leaving Yūji by himself.
Convenience Store Manager (コンビニの店長, Konbini no Tenchō)
Voiced by: Nobuaki Kanemitsu
Yūji's boss who is a muscular bespectacled man.
Shimada (島田)
Voiced by: Katsumi Chō
The head of the Edajima residents' association who lives in Building #29. While he seems like a gruff old man, nagging the ladies of the community to keep things clean, he is actually very sweet towards children.
Toshizō Kashino (樫野 年三, Kashino Toshizō)
Voiced by: Shigeru Chiba
An 89-year-old man who lives in Building #5. He never seems to do anything.
Ikue Honda (本田 育江, Honda Ikue)
Voiced by: Asami Yano
Tomoo's elementary school teacher. She was apparently a wild child in junior high until her teacher made her change her ways. She often went to him for advice until he died, forcing her to try to learn how to be a better teacher on her own.
Ikue Honda's former teacher
Voiced by: Unshō Ishizuka
He was Ms. Honda's junior high teacher who helped her when she became a teacher, until he died.
Hazama (間公文)
Voiced by: Ben Hiura
A retired man whose first name no one is quite sure how to read, and who may once have been a judge. He lives in Building #22 and often confounds the housewives.
Tsuyoshi Akita (沖田 つよし, Akita Tsuyoshi)
Voiced by: Eiji Miyashita
Kimiko's classmate who is quiet and clumsy. He always seems to avoid going home, making several lunches and eating out as much as possible. This is because his father is abusive and is mother is an alcoholic. The children of the Edajima Apartment Complex call him Mister Geek
(ガリベン君, Gariben-kun).
Tomiko Anada (穴田 とみ子, Anada Tomiko)
Voiced by: Hiro Nakajima
One of Kimiko's classmates who lives in Building #3. It is rumored that she has a pet anaconda because a large snake was seen following her home while she was playing the recorder once. She is part of the school's tennis club.
Toshiya Arama (阿羅間 年也, Arama Toshiya)
Voiced by: Nobuaki Kanemitsu
A professional baseball player who lives in the apartment complex who Tomoo and Yoshimoto look up to, as he played with Tomoo's favorite player Catherine
(カトリーヌ, Katorīnu).
Me, the Crow Who Does Not Tire of Humans (人間に対し興味の尽きないカラス オレ, Ningen ni Taishi Kyōmi no Tsukinai Karasu Ore)
Voiced by: Hiroki Tōchi
A crow that lives in the woods near the apartment complex. He seems to be able to understand human gestures and words.
Conveni (コンビニ, Konbini)
Voiced by: Eiji Miyashita
A crow that also was interested in humanity, but gorged himself at the convenience store. He is hit by a truck and dies.
Old Man (おっさん, Ossan)
A crow that is deeply interested in human writing, particularly if the writer is bald.
Ashinaga (アシナガ)
A crow that managed to steal bait from one of the traps around the complex many times, until his luck ran out.
The Cram School Ghost (受験生の幽霊, Jukensei no Yūrei)
The ghost of a boy who hanged himself before taking the final examinations. Aoto encounters him, and his ghost cat who died after being abandoned and trying to eat the crows killed by the pest control, when staying at an inn before she takes her exams.
Chibi (チビ)
A cat who followed its owner 100 kilometers away from Hakone, only to collapse in the Edajima Apartment Complex. It prepares to die, but is saved by the apartment complex people and is ultimately reunited with its owner, only to be abandoned again, and decide to live in the apartment complex.
Colonel Sports (スポーツ大佐, Supōtsu Taisa)
Voiced by: Hidetoshi Nakamura
The main character of Tomoo's favorite anime. In the show-within-a-show, he is a cyborg who gets into violent fights.
Crow (カラス, Karasu)
A clumsy crow who is Colonel Sports' sidekick.
Bear (クマ, Kuma)
Voiced by: Nobuaki Kanemitsu
A bear who follows Colonel Sports and Crow around.
Professor Dog (イヌ先生, Inu-sensei)
Voiced by: Kōtarō Nishiyama
Colonel Sports' math teacher.
Paul (ポール, Pōru)
Voiced by: Hōchū Ōtsuka
The Colonel's mentor and godfather who actually killed the Colonel's family, leading to Paul being beheaded.
