The Mii Brawler's moveset references the Mishima Style Fighting Karate, a fighting style used by the Mishima clan which utilizes fast hand combos (represented by Flashing Mach Punch), foot combos (represented by Onslaught and Soaring Axe Kick), and counter, grabs, and throw attacks (represented by Counter Throw).The Sudden Final Smash rule references the Rage system introduced in Tekken 6 which activates when the player's health is low, surrounding them with a glowing aura that increases the power of their attacks.The stage represents the Mishima Dojo, a training dojo owned by the Mishima family, whom Heihachi serves as its master and owner in the Tekken series.
The Mii Brawler's Dragon Helmet, without DLC, represents Heihachi's pointed hairstyle, while the black Fighter Uniform represents Heihachi's black fighting outfit.The Mii Brawler represents Heihachi Mishima, the main antagonist of the Tekken series who specializes in hand-to-hand combat.The enemy will suddenly have a Final Smash when the enemy's at high damage.