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Originally, Gou first appeared in the Street Fighter Alpha series during one of Sagat's intro animations; the Muay Thai master is seen holding a man similar to Dan, but sporting a orange gi and wooden sandals.
In Pocket Fighter, Gou remains somewhat similar in appearance to Dan, though he sports a green gi and a halo over his head. He also has more of a tengu-like appearance, with red skin, a wide double chin, and a long nose. Much like Dan, this design is a parody of SNK character Mr. Karate and his trademark tengu mask. Mr. Karate is the father of Ryo Sakazaki, whom Dan is designed to parody.
In the UDON comics, Gou's appearance is closer to his Street Fighter Alpha cameo; his facial features are similar to those of Tekken character Heihachi Mishima. His hairstyle is slightly similar to Dan's, but short without a ponytail; his facial structure is slightly based on his Pocket Fighter appearance, with a wide cleft chin and a slightly longer nose.
From what is gathered from the UDON comics, Go had a very stoic and brave personality, to the point in which he would never let injustices occur around his presence. Dan almost blindly looks up to his father because of these qualities and is always constantly following the advice he gives to him, including after his death.
The details of Gou's life are not explained in detail during the games' storyline; what is known is that Gou died while trying to defend himself against Sagat after having taken out his right eye, prompting his son, Dan, to seek revenge against the then-Shadaloo agent.
It is rumored that his nose became red and big like a tengu's due to being hit on the face multiple times.
In Street Fighter IV, Dan has a picture of Gou hanging on the wall in his dojo, but the face is obscured by a glare of sunlight on the glass.
Go appears in the game and is used in several of Dan's Mighty Combos; one has Dan swinging him like a hammer, using his nose as the handle, while another has Gou launching a freezing energy beam from his nose. Gou even uses Akuma's Shun Goku Satsu, with the kanji of "father" (父) appearing on his back instead.
Go appears in the Street Fighter Legends comics by UDON, where it is revealed that he was killed defending his dojo from Sagat and his henchmen. A Shadaloo goon was sent to the Hibiki Gou Dojo to collect a 10,000 Hong Kong Dollar bribery fee for Shadaloo; the Hibiki Gou Dojo was in Shadaloo country, and this required payment. Gou Hibiki refused to pay the bribe, and defeated the goon convincingly in a fight.
Sagat came to avenge his defeated comrade, and fought Gou; during the fight, Gou takes out Sagat's eye, and Sagat subsequently beat him to death.
- Although the move Gou Hibiki used to take Sagat's eye looks remarkably similar to a Dankukyaku, the dojo's name and introduction in the comic indicate the Saikyō style of karate did not yet exist, at the least not as it is currently known.
- It was revealed by the developers in a character reference file that Gou Hibiki practices Kenkasappō Buraiken (喧嘩殺法・無頼拳? roughly "Quarrel Killing Method: Ruffian Fist"), a street fighting style based on Karate. One of his techniques is the Shoten Buraikyaku (昇天無頼脚?), a finisher which delivers multiple powerful knee strikes straight to an opponent's face.