Professor Nossori is a supporting scientist in the anime Mazinkaiser, where he serves as a member of the Photon Power Laboratory research staff. He is one of the three auxiliary researchers often referred to together as the Three Scientists, working alongside Professor Morimori and Professor Sewashi. Before the events of Mazinkaiser, Nossori was associated with the original Mazinger Z setting, where he already acted as a science-oriented assistant to the senior researchers. After Professor Yumi assumes leadership of the Photon Power Laboratory, Nossori and his two colleagues choose to work under him and support the laboratory's efforts in the conflict against Doctor Hell and his forces.

In terms of appearance, Nossori is the shortest of the three scientists. He has messy gray hair, a full beard, and wears circular glasses, which give him a distinctly disheveled but scholarly look. His personality is good-natured and patient, particularly when dealing with the hot-blooded and often reckless young pilots who operate out of the laboratory. He is also somewhat goofy in manner, and together with his fellow scientists he functions as part of the show's comic relief, providing lighter moments amid the ongoing battles.

Nossori's motivation is primarily professional and supportive: he assists the laboratory's research and maintenance work, helping to keep the base and its machines operational during the fight against Doctor Hell. His role in the story is therefore a background one, centered on the scientific support network behind the main pilots rather than on combat. His key relationships are with his fellow researchers Morimori and Sewashi, with whom he forms a close working trio, and with Professor Yumi, under whose direction he carries out his duties. He also interacts with the younger members of the laboratory, including the pilots and their associates, although typically in a minor, supportive capacity.

Nossori does not undergo significant personal development in Mazinkaiser, remaining a consistent comic-relief and support figure throughout. His notable abilities lie in his scientific knowledge and technical competence, having trained under the original generation of researchers and gained enough expertise to work alongside the senior scientists at the Photon Power Laboratory. Like his colleagues, he contributes to the group's collective skill in photonic energy research and the upkeep of the laboratory's defenses, even though he never takes a frontline role himself.