Takumi Bones (born July 4, 2027 in Osaka, Japan) is one of the adoptive sons of Joanne and Louie Bones and the vigintuplet brother of Ayaka, Kenji, Mao, Ai, Yuki, Yoshi, Kenta, Yuta, Kouki, Sakura, Sota, Ku, Megumi, Miyu, Daito, Tomoyo, Ren, Rina and Momoka.
Takumi is short and skinny. He has tannish-pale skin, jet-black hair and huge dark eyes. He wears a green Mario T-shirt, blue shorts and red sneakers.
Takumi is very sweet and well-behaved. He loves his family and would do anything for them.
- Father: Louie Bones
- Mother: Joanne Bones
- Brothers: Kenji Bones, Yoshi Bones, Kenta Bones, Yuta Bones, Kouki Bones, Sota Bones, Ku Bones, Daito Bones, Ren Bones
- Sisters: Ayaka Bones, Mao Bones, Ai Bones, Yuki Bones, Sakura Bones, Megumi Bones, Miyu Bones, Tomoyo Bones, Rina Bones, Momoka Bones
- His full name is Takumi Yoshi Bones
- He likes panda bears and the color yellow
- He and his vigintuplet siblings are fans of Pokémon
- His favorite food is sashimi
Takumi marries Jennifer James and has two children, Lizzie and Bob. He works at GameStop.