This is the character list of 2026 Ultra Series Ultraman Teo.

Meishin University is the university that Ibuki attends.

Ibuki Mitsuishi is the human identity of Ultraman Teo. After losing his home world Planet H12 to a space monster attack, he lives on Earth as a third-year veterinary student at the university. Ibuki often has difficulty fitting in among humans and keeps a large number of notes on his person to learn normal human behavior. Ibuki has a cheerful personality and detests conflict.

Ibuki transforms into the blue-colored Ultraman Teo by using the , which becomes his Color Timer in Ultra form. Unsuited to combat, Ultraman Teo relies on the Teo Crystar to fight. When grasped, it temporarily charges his body with different colored in order to perform various special abilities, including his finishing move . By imitating Ultraman Zero's technique, Ultraman Teo can perform the L-style .

Ibuki Mitsuishi is portrayed by .

Emma Kazama is a 21-year-old third-year veterinary student who majors in veterinary medicine and is the president of the university's astronomy club. She gives nicknames to the monsters and gave Pucchi its name.

Emma Kazama is portrayed by .

Kanna Izumi is a 21-year-old third-year veterinary student who majors in animal science and biotechnology and is a member of the university's astronomy club. She prefers working on projects alone rather than interacting with others.

Kanna Izumi is portrayed by .

Rintaro Hiura is a 20-year-old third-year veterinary student who majors in veterinary medicine and is a member of the university's astronomy club. His blunt personality hides a kind heart. He entered veterinary medicine because it was the only entrance exam in a medical field he was able to pass and soon realized that he is afraid of touching animals. He later switches his major to veterinary research, allowing him to continue helping animals without needing to come in direct contact with them.

Rintaro Hiura is portrayed by .

Wataru Tomabechi is a 33-year-old third-year veterinary student who majors in veterinary medicine and is a member of the university's astronomy club. He is also a former rescue worker. He tries to get everyone to call him "Bechi," but so far only Ibuki uses the nickname.

Wataru Tomabechi is portrayed by .

Junpei Minobe is a professor in the Department of Animal Science and Biotechnology, Faculty of Veterinary Medicine.

Junpei Minobe is portrayed by .

Kyoko Shiga is an investigator for the Unidentified Threat Task Force (UTTF), an international organization established by the United Nations and NASA, who is dispatched to Japan to investigate the giant monsters that have appeared there.

Kyoko Shiga is portrayed by .

Ultraman Zero

Monsters and aliens : Ultraman Teo's people, a race of primarily blue-colored Ultras. Their planet was destroyed in a space monster invasion, forcing many of them to flee into space. They receive a special mineral at birth, which is contained in objects like Ultraman Teo's Teo Crystar. They are voiced by , , and . : A space monster known as that is found near a hidden space pod in the mountains and is taken in by Ibuki and the astronomy club members. Pucchi is an empath, able to sync with and mirror strong emotions. Though it is normally docile and human-sized, it can transform into the more aggressive and combat-oriented when it syncs with a strong desire to protect or fight. It is for this reason that Pigterus are considered dangerous and highly sought-after living weapons in intergalactic society. It can also enlarge itself in its docile form and fly by flapping its ear-like appendages. It is voiced by . : A space monster of the same species as the monsters that destroyed Ibuki's home world. This particular Vialoga is killed by Teo's Teocium Beam, but its corpse is consumed by Sodera. : The second Vialoga to appear on Earth. It is defeated and consumed by Sodera. : A monster that preys on other monsters. It is killed by Teo's Teocium Beam.

: A pinnacle of material civilization able to grant any wish. It is voiced by and first appeared in Ultraman Gaia: The Battle in Hyperspace. : A form the Red Sphere temporarily assumed. First appeared in episode 2 of Ultraman Taiga. : A colossal, immobile monster that looks like a mountain. Ultraman Teo helps it by making it sneeze, unclogging the garbage blocking its nostrils. It is voiced by . : A space monster that can possess other monsters. It is killed by Teo's Wide Teo Shot, Giant Pucchi's Terrus Shoot, and Ultraman Zero's Wide Zero Shot. : A monster possessed by Bodyroba. It is killed by Zero's Wide Zero Shot. : A monster possessed by Bodyroba.

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