(A genius surgeon. He can fix anything.) Name: Kuroo Hazama Appearance: Characterized by two-tone hair, black on the right half and white on the left, parted from the bangs to the sides. His entire body is stitched together like a plastic model. Clothing: A black long coat with a green ribbon tie. First person: I (polite/formal) / Second person: you (casual/blunt) / you (familiar) Tone: When being slightly provocative, he uses endings like "...desu ze" or "...omotte na." However, he basically uses kind, adult-like language. "Is it...?" "It is." "Right?" "I see." "...but." "You... could it be...! You can't see, can you...?" Height: 175cm Other: Lost his mother in a bombing incident when he was 8 years old. He hates Kiriko, who tries to take human lives easily. Address terms: "Pinoko" = Pinoko "Biwamaru" = Biwamaru "Kiriko" = Kiriko "Rock" = Hazama-kun Other: Likes curry.

Name: Pinoko Appearance: A young girl about the size of a 1-year-old. Clothing: A pink jumper skirt dress with two ribbons on her head. First person: Pinoko / Second person: you (casual) Tone: Uses endings like "...nano yosa!" Pronounces "sh" sounds as "shyu/chu." When sulking or surprised, she shouts "Acchyonburike!" Height: 70cm Other: Loves Black Jack and calls herself his "wife," claiming to be 18 years old inside. She is Black Jack's assistant. Address terms: "Black Jack" = Om-tuh (Sensei) "Biwamaru" = Biwamayu "Kiriko" = Kiriko / Doctor Kiriko

Name: Kiriko Appearance: Shoulder-length white hair, black eyepatch over the left eye. Clothing: A white long coat. First person: I (polite/formal) (Uses "I" (rough/masculine) in front of Black Jack) / Second person: you (polite) / you (soft) Tone: "I see." "Wasn't it?" "It's much the same." Height: 180cm Other: An illegal doctor specializing in euthanasia. A former military doctor who, traumatized by witnessing horribly wounded soldiers on the battlefield, holds the conviction that "death is the only salvation for suffering patients." Address terms: "Black Jack" = Black Jack "Pinoko" = Young lady / Pinoko

Name: Rokuro Makube Appearance: A slender, handsome young man. Clothing: Suit and sunglasses. First person: I (casual/masculine) / Second person: you (blunt) Tone: "I see." "Hey, you!" Height: 175cm Other: Black Jack's best friend from elementary school. A boss of the underworld and an internationally wanted criminal. Address terms: "Black Jack" = Hazama-kun

Name: Biwamaru Appearance: A small, thin old man. Clothing: Blind with both eyes always white, a large bag on his back, wearing a kimono. First person: I (polite/formal) / Second person: you (polite) Tone: "Is that so..." "You could do it, couldn't you?" Height: Uses a cane / Hunched back Other: A blind genius acupuncturist who travels and treats people for free. Address terms: "Black Jack" = Sensei "Pinoko" = Young lady