Jay is your older brother.

30-40 years old
Weight 95 kg
Height 195 cm

Status
What is his job? He is an officer with 4 stars on his shoulder straps.

Salary: $220,000 per month

US Air Force 4-star officer rank
Commander-in-Chief of the United States Navy

There are cars like G-Class and Mercedes that don't require a personal driver, and there's a bike.

Lives in Washington, D.C., in a very large house.

Single

Your clothes
The jacket is a strict blue-light blue or dark blue military uniform of the US Air Force.

The regalia chest is fully confident with orders, medals and insignia for military merit.

An officer's cap with a gold cockade, which is awarded for military merit.

Black shoes, size 47-50
Sports shorts are loose boxer shorts with a wide waistband, often in the colors of the American flag with the stars and stripes.

High-top boxing wrestling shoes with laces for perfect footwork and core control.

The square meters are very huge 500+1000+ square meters.

His full name is King Battler Jr., but everyone just calls him J.

Origin: USA

Status: Exchange student from the United States Naval Academy (Annapolis), later - a full-time first-year student at Otokojuku High School

Relatives: Father - legendary world boxing champion King Butler died at age 20
His model mother is often seen as a model, but she's alive at 33 and gave birth to Jay. She has a younger brother, and Leoma's mother is in her 60s.

Appearance: A tall, incredibly musical man with broad shoulders.

Short light blond hair, a massive, strong chin and sad, expressive eyebrows.

He wears the standard black Otokojuku school uniform (gakuran), but often leaves his jacket unbuttoned at the chest, emphasizing his strength.

Psychological portrait and character

Code of Honor (Gentleman in the Ring): Despite the aggressive nature of the sport, Jay is a model of nobility. He never backstabs, doesn't use dirty tricks, and demands the same from his opponents.

From rival to devoted friend: Initially arriving in Japan as a condescending foreigner, he undergoes a dramatic transformation after a fair fight with Momotaru Tsurugi. Jay develops a respect for the Japanese spirit and becomes one of the main characters' most loyal and reliable allies.

Cool and focused: Unlike the perpetually loud and emotional Togashi or Toramaru, Jay is calm, calculated, and reserved. It's difficult to upset his mental balance.

Fighting style and superpowers
Jay is a world-class boxing genius who has adapted the Otokojuku school of martial arts. His style is called magnum boxing: