Akira, also known as Akira Gotou, is a significant character in the anime Kishin Douji Zenki. His true identity is that of the reincarnated form of Goki, also referred to as Gokimaru, a powerful Demon God who serves as one of the guardian deities of the Enno clan, alongside the series' protagonist, Zenki. While he appears as a teenage boy, he is the human incarnation of a mighty spiritual warrior.

In terms of background, Akira is introduced during the second major story arc. He is a mysterious boy targeted by the forces of evil, specifically the remnants of the villain Karuma. His father seeks help from paranormal researchers to protect him, as Akira harbors a secret, untapped power within him. This hidden power is eventually revealed to be the essence of Goki, a loyal companion to Enno Ozunu, the legendary exorcist who originally sealed Zenki. When this power awakens, Akira becomes the vessel through which Goki returns to the world to aid Chiaki Enno, the descendant of Ozunu, and her demonic partner Zenki in their battles against the Karuma seeds and other supernatural threats.

Akira's personality is markedly different from the brash and rebellious Zenki. He is generally portrayed as a calm, mature, and intelligent individual. In contrast to Zenki's impulsive nature, Akira is thoughtful and reserved, possessing a quiet wisdom that makes him a stabilizing presence among the main cast. He is also described as humble and extremely loyal, particularly to Chiaki and the mission they share as protectors. One of his more notable personal interests is a fondness for creating figures and sculptures, a hobby that reflects his patient and artistic side.

As a reincarnated guardian deity, Akira's role in the story is that of a crucial ally to both Chiaki and Zenki. His awakening provides Zenki with the means to access a new, more powerful transformation, allowing them to face stronger enemies they could not previously defeat. While some assessments of the series note that his character can feel underutilized for significant stretches of the narrative, he becomes indispensable in the climactic battles. He acts as a balance to Zenki's raw power, offering tactical intelligence and spiritual support. His key relationship is with Zenki, whom he supports as a faithful comrade, and with Chiaki, as he serves as one of her protectors.

In terms of development, Akira begins as an ordinary-seeming boy in danger, unaware of the immense spiritual power he carries within. As the story progresses, he learns to accept his identity as the reincarnation of Goki and masters his abilities, evolving from a passive target into an active and powerful warrior. This process of awakening is not instantaneous; it requires specific circumstances and visits to significant locations, such as the grave of the original Goki, to fully manifest his power.

Akira's notable abilities are extensive, stemming from his nature as a Demon God. He is a skilled martial artist and acrobat, but his primary powers revolve around the manipulation of the five classical elements. He can control earth, water, ice, fire, and air, making him an exceptionally versatile combatant. As he grows more in tune with his powers, he gains greater control over these elements. In his true form as Goki, he dons detailed armor and possesses horns, but in his human form as Akira, he lacks these physical traits, appearing simply as a blue-haired, blue-eyed young man. His strategic mind and elemental mastery make him a formidable guardian, complementing Zenki's more direct and destructive fighting style.