Saotome Institute ; : :A 19-year-old boy and the only son of Ryoma Nagare, one of the original Getter Team pilots. During his childhood, his mother was killed by scientists who visited their home. Now searching for answers, he partnered up with Baku to go to the Saotome Institute to learn about his lineage. Both brash but intelligent, he also inherits Ryoma's DNA, which gives him exceptional stamina and strength as well as superb regenerative capabilities. He is also shown not to like flashy weapons like his father, as he only uses a Revolver. As a Getter pilot, Takuma pilots the Getter Arc which focuses both in power and close combat. ; : :A 19-year-old Human-Dinosaur hybrid. Sho is the only son of Emperor Gore, the former ruler of the Dinosaur Empire. He was born from a human mother that Gore had kidnapped years ago, but despite all of that, she cared for him as her only child. He has a calm personality and is unrivaled in cold blood. Due to how he is born, his physical ability far exceeds his ordinary human beings and can endure Getter Ray radiation. His strength also allows him to deliver punches that are five times more powerful than ordinary humans. Also due to his relations to the Dinosaur Empire, he is right to succeed his half brother Emperor Gore III to the throne. Hayato, seeing his strengths, decided to accept him to the Saotome Institute after a truce between them and the Empire to take down the Andromeda Stellaration. As a Getter pilot, Sho pilots the Getter Kirik which focuses mainly in speed. ; : :A 22-year-old Zen Buddhist monk, Baku was the younger brother of Messiah Tyr. He is supportive to the younger Takuma on finding answers to his origins. He is also has good ability to sense Getter Rays while being good on electronics especially in hacking in several systems. As a Getter pilot, Baku pilots the Getter Khan which focuses mainly in defense. ; : :One of the original three Getter Pilots and current head of the Saotome Institute. He has retired from piloting Getter Robo after his body starting to lag him behind and the events that occurred 19 years ago. He also served as Kamui's stepfather while being taken in by the institute. ; : :A close friend of Professor Saotome and lead researcher in the Saotome Institute. He is kooky and rather unpredictable yet his smarts contributed to the institute's progress in Getter Ray research. He knew Takuma very well due to his relation to his father. ; : :The leader of the Go Team, piloting the Getter Go. In the events prior to the series, he boarded the Shin Getter-1 until he became one with it alongside Ryoma and Messiah. A clone of him was later dispatched to Earth by the Getter Corps, piloting the to protect the planet against the Andromeda Stellaration's ongoing invasion.
Allied Forces ; : :The former member of the Go Team and pilot of Getter Sho, Sho is a retired pilot who leads the Allied Forces against the Andromeda Stellaration. ; : :A former pilot in the US Army Forces in
Getter Robo Go and admiral in the Allied Forces. ; :
Dinosaur Empire ; : :The former leader of the Dinosaur Empire, and the late father of Sho Kamui and Emperor Gore the 3rd. He was killed by Emperor Burai near the end of the original
Getter Robo story. He appears in episode four of the anime as a ghost. ; : :The current leader of the Dinosaur Empire, he is the successor to the former leader Emperor Gore. He is also Kamui's half brother, who does not really trust humans despite his faction calling a truce with the Saotome Institute during the invasion of the Andromeda Stellaration. Despite his position, his mindset was plagued with fear due to Kamui's approval to the people of the empire. ; : :A close adviser and scientist of the Dinosaur Empire, who became Kamui's surrogate father after his mother was held hostage by the empire and Emperor Gore was killed. He is one of the few people who knew Kamui's true legacy and despite being a scientist, he is a very kind person. He developed the Getter Saurus, a replica Getter using technology from the Saotome Institute's research on Getter Rays and expertise on Mechasaurus development. ; : :The general and military adviser to Emperor Gore, who had various battles with the Getter Robo. He is now retired and suffering from dementia. ;, and : :Kamui's childhood friends who all belong to the Ryu Clan, one of the lower class of the Saurian races. They all became pilots for Getter Saurus 19 years later. In the manga, their physical designs were different compared to how they look in the anime. Their names were also different in the manga, Vise was originally named Zor, while Ganryu and Gozuro were nameless. ; : ; :
Andromeda Stellaration ; : :The leader of the Andromeda Stellaration, who had orchestrated several attacks on Earth due to their relation to Getter Rays. She is only mentioned in the manga, while in the anime, her appearance is shown in a hologram during her interactions with Komei. ; : :The senior general in the Andromeda Stellaration, who has coordinating several attacks in the Saotome Institute in order to destroy it and the link to Getter Rays. ; : :An American scientist who works with Andromeda Stellaration, responsible for the death of Ryoma Nagare's wife when he and his group were on search to seize Takuma 19 years ago. He is in fact a survivor of the Hundred Oni Empire after the group was defeated at the hands of Getter Dragon. ; : :A warrior sent by the Andromeda Stellaration to lead an army of insector robots to attack the Saotome Institute. He dresses in Chinese style warrior armor, and his name is derived from the Japanese words for
Rabbit and
Monkey. His design, characteristics and abilities also appear to be based on the legendary Chinese
Monkey King (also known as Sun Wukong or Son Goku). He appears in episode 3 of the Anime.
Hundred Oni Empire ; : :The emperor of the Hundred Oni Empire (Hyakki Empire) who was killed at the end of
Getter Robo G. He is seen in a flashback in episode 6.
Getter Corps ; : :A clone of the original Musashi Tomoe, who was one of the original getter pilots until his death. His clone was based on the memories inside Getter Emperor and was sent to Earth as a commander of the Getter Corps.
Others ; : :Ryoma's wife and also Takuma's mother, who was murdered by Carter McDonald after he invaded her dojo 19 years ago. ; : :The leader of the Green Earth cult and also Baku's older brother. 19 years ago during the Andromeda Stellaration's invasion of Earth, he became one with the Getter Rays after his body fusing with Shin Getter-1 and left Earth for Mars. ; : ; : :A former fiance of Hayato and self-defense force member who took part in the war against Professor Rando years ago during the events of
Getter Robo Go and served as a second lieutenant. She died in an explosion after trying to defuse one of the bombs that Rando had planted in every country all over the world. ==Media==