Jack

Jack (ジャック) is a main character in Beastars. He is Legoshi's close childhood friend.

Appearance
Jack is a Labrador with a slender build, light yellow fur, and large brown eyes. He is typically seen wearing his school uniform, which consists of a white dress shirt with rolled-up sleeves, an indigo vest, a dark gray tie, black suspenders, gray pants with dark gray vertical stripes, and brown loafers. During the warmer seasons, the top-wear is replaced by a blue polo shirt. Jack also started wearing Legoshi's old clothes when Legoshi dropped out of school, even though they were too big for him.

Personality
Most of the time, Jack is a joyful, fun-loving and affable. Jack is a little naïve with his surroundings; when Tem died, he started to see how the herbivores began to have a little fear towards the carnivores, but he did not take much notice. He is worried about Legoshi, who, despite being a quiet wolf, has an appearance that tends to scare and intimidate others.

Jack and Legoshi are childhood friends. They met at a playground where Jack could not get along with the other children, but Legoshi was the only one who offered his hand to play. Since then, Jack has been a faithful friend, always watching over the state of Legoshi and worrying about his well-being.

With Cherryton Academy being an elite school, Jack is quite diligent in his schoolwork, being the hardest-working of his dorm. Currently, he is the smartest student in his year.

Since he was little, Jack has been shown to look down upon his own heritage, with his species being the result of artificial tinkering with wolf DNA (dogs were made during the war in order to introduce a new species of carnivore with great intelligence and diminished aggression). Because of this, he developed well-concealed feelings of envy and resentment towards Legoshi, seeing him as a superior relative. Later, these negative feelings regarding his species evolved into the belief that his condition as a dog corrupted his emotions and placated his empathy. He claimed that he could not cry honestly, so he peeled onions to force his tear ducts open.

When Legoshi returned to Cherryton, he noticed Jack seemed wearier than before. During this time, Jack came to fear other dogs and their potential for apathy. Legoshi later saved Jack when he attempted to commit suicide by eating onions, which are poisonous to dogs.

Trivia

 * He was formally named in Chapter 6.
 * He had a fight with Legoshi as a child, which led to their friendship.
 * Jack is the only main character who has not visited the Black Market.
 * He sends his family a letter concerning his condition and well-being at least once a month.
 * He is voiced by Benjamin Diskin in the American English dub, who also voiced Gurio Umino in Sailor Moon Crystal, Ban in The Seven Deadly Sins, Eugene in Hey Arnold!, Nigel Uno, Hoagie Gilligan, and the Delightful Children from Down the Lane in Codename: Kids Next Door and Eric Sparrow in Tony Hawk's Underground series.

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