Ukyo Tatsuya is also known as the "Mad Dragon of Kamurocho" in Dragon Heat. He has six friends: Yashiro Makoto (deceased), Tenma Sakaki, Shinji Sakamoto, Mikami Yuta, Saito Tamotsu, and Kuki Ryusho. Tatsuya fought a lot of opponents, incl. Nozaki Ryo. Tatsuya works in a few restaurants such as Smile Burger Kamurocho, Gelataria, etc.

A character from Kurohyou 2

Rikiya Shimabukuro is the captain of the Ryudo Family, a yakuza family situated in Ryukyu, Okinawa. He is extremely proud of his Okinawan heritage, and seems to treat those who hail from Japan's mainland with disdain. Although initially hostile towards Kiryu, he gradually comes to respect him, referring to him as his Aniki. He looks up to Kiryu and holds him in high regard, though he has no qualms with opposing him if the two disagree.

The Captain of the Ryudo Family

While Daniel was testing his experiments, he accidentally mixed another chemical into a test tube, and the test tube explodes. After the explosion, the good version of Daniel survived the explosion, while Evil Daniel was born. Evil Daniel looks familiar to the Good Daniel, but EVIL. Evil Daniel started working for the other villains and try to plan to rule the world. Evil Daniel has the same powers his good version has. Evil Daniel also speaks in a French accent, which makes him sound villainous

Evil Daniel is an evil version of his good clone

Sho Hyuga is a major character. He is a fighter in the underground coliseum Dragon Heat. Though neither the strongest nor most skilled, Hyuga is a consistent crowd favorite in Dragon Heat thanks to his showmanship. Besides taunting his opponents and playing to the crowd, Hyuga often switches fighting styles between bouts and is not afraid to pull his punches for the sake of giving the audience more excitement or setting up for a flashy finishing move.

A character from Kurohyou 1

Daniel secretly has superpowers such as eye beam, flight, creation, duplication, etc. Daniel also has an evil clone himself, which is his nemesis. Daniel also knows how to fight and go SSJ, just like Goku. Daniel always wears his own casual clothes in every adventure, his clothes are immune to both dirty-ness and stinky-ness. His favorite cartoon shows are: Mao Mao: Heroes of Pure Heart, Eddsworld and BFDI. His favorite Anime show is Dragon Ball Z. Daniel's favorite game is Team Fortress 2

Daniel is an OC made by eddsworldfan69420

Ryusho Kuki is the second patriarch of the Kuki Family and the son of the late Ryutaro Kuki, the first patriarch of the Kuki Family. He is also the new owner of Dragon Heat after Kozo Noka handed the deed to Dragon Heat to Ryusho. Ryusho is a crude yet cunning man with a strong sense of valor. He is willing to not only risk everything he had to own Dragon Heat, but also go against Nioka, a fellow Tojo Clan patriarch to protect the arena he idolized as a child.

Reiji Shinjou is the secretary and fixer of Masatoshi Tsutsui, a former Dragon Heat underground fighter and the chief of the general affairs department of the Toto Department Store. He also has connections with Tadashi Tsurumi, who orders Reiji to execute whoever he wishes to be rid of. Reiji's complete lack of emotion makes it hard to know his personality. However, it can be deduced that he is a silent, ruthless and efficient man.

Ryo Nozaki is the osteopath and fortune teller of Asura's underground clinic. Nozaki single-mindedly believes that destiny dictates a person's life, and nothing they do can change it. He initially comes off as a quiet, but helpful doctor who is willing to assist anyone in need, even someone like Ukyo Tatsuya, but in reality, he is a crazed, nihilistic man seeking retribution for the wrongs done to him.

Makoto Yashiro is a young street fighter, and the leader of a small group of Dragon Heat fighters; along with Shinji Sakamoto, Yuta Mikami, and Tamotsu Saito. Makoto is a single-minded delinquent who is extremely loyal to his friends and similarly disrespectful to authorities.