In Tekken and Tekken 2, Heihachi is bald with spiky brown hair on the sides of his head. In Tekken 3 and onwards his hair is white due to his old age. However, in the non-canonical spin-off Tekken Tag Tournament 2 and in Tekken 7′s flashbacks sequences, Heihachi is depicted with black hair. Heihachi has thick spiky eyebrows, a mustache and beard, tanned skin and hazel eyes.
Tekken
Player 1 outfit:
Heihachi wears a gray long sleeved karate gi with a tiger head design on the back, gray karate pants and white hand/footwraps. He wears the same karate belt as his son, which is black with yellow outlines.
Player 2 outfit:
His Player 2 outfit is almost identical to his Player 1 outfit except his karate gi is blue and his sleeves are ripped up to his shoulders.
Tekken 2
Heihachi's hair is dark brown in his CGI render and black in game.
Player 1 outfit:
Heihachi wears a black sleeveless karate gi with a red obi tucked into his waist and black frayed karate pants. He retains the white hand/foot wraps and the tiger head design on the back of his gi.
He wears this outfit in the console opening and in both his and Kazuya's endings.
Player 2 outfit:
Heihachi is shirtless, revealing the cross-shaped scar on his chest, and wears a violet hakama, black geta sandals and a kimono top that hangs loosly off his back. His hair is slicked further back than in his Player 1 outfit.
Tekken 3
As of Tekken 3 and onwards, Heihachi has white hair and his appearance looks more elderly.
Player 1 outfit:
Heihachi wears an outfit similar to his Player 2 outfit in Tekken 2. In his CGI renders his loose kimono shirt is gold with brown and red designs and the interior of the shirt is white. His hakama is blue with gold designs and he wears black geta sandals. He also has two katanas attached to the left of his hakama and wears black wristbands. In-game his kimono shirt is purple, his hakama is dark blue, its designs are white and he does not wear katanas.
He wears this outfit in both Jin's and his own endings.
Player 2 outfit:
Heihachi wears a red winter jacket with a white fur collar. Underneath he wears a formal white vest with a dark blue tie, white pants, white shoes and black gloves.
He wears this outfit in the console opening and in both his and Xiaoyu's ending.
Tekken Tag Tournament
Player 1 outfit:
Heihachi's Player 1 outfit is a palette swap of his Player 1 outfit from Tekken 3. His loose shirt is now dark blue and his hakama is olive.
Player 2 outfit:
(See Tekken 3 Player 1 outfit)
Player 3 outfit:
Heihachi's Player 3 outfit is a palette swap of his Player 2 outfit from Tekken 3. His winter jacket is now dark teal instead of red.
Player 4 outfit:
(See Tekken 3 Player 2 outfit)
Tekken 4
Player 1 outfit:
Heihachi regains his Tekken 2 Player 1 outfit. The color of his karate gi is jet black.
He wears this outfit in Jin's, Kazuya's and his own ending.
Player 2 outfit:
Heihachi wears his infamous white modified fundoshi with a body wrap, leaving his chest bare. He also wears the black geta sandals from his Player 1 outfit in Tekken 3. In Street Fighter X Tekken, Akuma wears this as his Swap Costume.
In Tekken 7 his modified fundoshi can be worn by all male characters as part of the Swimsuit DLC.
- In the arcade and console openings Heihachi wears a tiger stripe patterned jacket with the white vest and purple tie from his Player 2 outfit in Tekken 3. He also wears this outfit in Kuma's and his own Tekken 5 ending.
- Heihachi wears a black jacket with a red kimono and black geta sandals in Kuma and Yoshimitsu's endings.
Soul Calibur II
Player 1 outfit:
(See Tekken 4 Player 1 outfit)
Instead of foot wraps, he wears his gray geta sandals and gains red gauntlets along with his hand wraps.
Player 2 outfit:
(See Tekken 3 Player 1 outfit)
He wears an updated version of his black wristbands that resemble gauntlets.
Death by Degrees
Heihachi wears a white hakama with red flame designs, a red kimono shirt, red gauntlets and dark gray armbands. He now wears white tabi (socks) with his geta sandals.
Tekken 5/Dark Resurrection
Player 1 outfit:
(See Tekken 4 Player 1 outfit)
Heihachi's gi is now faded black and gray. He only wears white wraps around his wrists and fights barefoot.
In Tekken 5: Dark Resurrection his gi is recoloured to dark teal and his belt is orange.
Player 2 outfit:
(See Tekken 3 Player 1 outfit)
His hakama is now dark blue and he wears black wristbands.
In Tekken 5: Dark Resurrection his hakama becomes olive green and he wears dark teal wristbands, referencing his Tekken Tag Tournament palette.
Tekken 6/Bloodline Rebellion
Player 1 outfit:
(See Tekken 5 Player 1 outfit)
Player 2 outfit:
(See Tekken 5 Player 2 outfit)
In his Tekken 6 prologue he wears his Player 2 outfit with his kimono shirt on.
Street Fighter X Tekken
Player 1 outfit:
(See Tekken 5 Player 1 outfit)
Swap Costume:
His Swap Costume is based on Sodom. Heihachi wears a dark blue samurai-esque mask, a red short sleeve genji shirt with kanji at the center, blue tights with a yellow belt, black and gray samurai-esque open-toed sandals and red gloves with gray studded designs.
Alternate Costume:
Heihachi wears a ninja outfit consisting of a gray tunic with dark red designs on the shoulders, dogi pants, black boots and a traditional headband.
Tekken Tag Tournament 2
Heihachi regains his black hair due to the effects of the rejuvenation serum that he drinks during his arcade ending. His younger appearance is later seen during the flashbacks in Story Mode of Tekken 7.
Player 1 outfit:
(See Tekken 5 Player 1 outfit)
Player 2 outfit:
(See Tekken 5: Dark Resurrection Player 1 outfit)
Player 3 outfit:
Heihachi wears a ragged, road warrior style black gi with a claw on his right hand, a tiger pelt draped over his shoulder, a sabretooth skull on his right shoulder, black kung fu shoes and more curved hair spikes. This outfit was designed by comic book artist Simon Bisley.
Player 4 outfit:
Heihachi wears a purple t-shirt with black lettering, gray wristbands, gray trousers and black shoes.
Tekken 7/Fated Retribution
Player 1 outfit:
(See Tekken 5 Player 1 outfit)
His karate gi is now faded gray.
In Tekken 7: Fated Retribution, Heihachi has a new main outfit. He wears a traditional samurai-esque outfit made up of an orange vest with Mishima Zaibatsu insignias and a gold and black decorative pauldron on his right shoulder. He wears dark gray pants with red and orange designs on the right pant leg, black socks and golden knee-high samurai boots with purple straps. He retains the white wrist wraps from his karate gi outfits. In the Story Mode, he wears this outfit when he was reclaiming the Mishima Zaibatsu, and when he was having a conversation with the Journalist about the dark secrets of the Mishima Clan.
- In the Story Mode Heihachi wears an outfit similar to his tiger stripe suit in Tekken 4 but recolored; his long formal coat and pants are blue, his button shirt is white, his formal tie is replaced with a light purple neck tie and he gains a long yellow scarf. He can be customized to wear this outfit outside the Story Mode.
- In the climax of the Story Mode, during his showdown against Devil Kazuya, Heihachi's karate gi outfit becomes damaged. The gi is tattered by Heihachi's own electrical power, revealing white leg wraps beneath his karate pants, and burning up and loosening his arm wraps.
