Altman is the first Otto warrior in the history of Otto series and is known as the origin giant.

2. Ultraman Jack.

Aware of the resurgence of monsters on the earth, Ultraman Jack came to protect the earth from awakened monsters and alien invaders, and joined the brave young Xiang Xiu tree to fight for the peace of the earth. After returning to Aote Star, he served as the Earth Director of the Cosmos Guard, and now he is the Minister of Aote Star Branch. In addition to his colorful fighting skills, Jack Altman is also good at using Otto bracelet to change weapons and extend various tactics to deal with the enemy.

3. Aesop Altman.

The fifth Otto brother, Aesop Altman, was an orphan rescued by Altman Zofi from the war. Ace defeated Yapool, the old enemy on the earth, with his rich lighting skills and powerful fighting capacity, and returned to the country of light after defeating Yapool's strongest trump card-the king's super powers and strong waves. Now he is one of the branch ministers of the seven branches of the nebula.

4. Altman Taro.

On the earth, Ultranman Taro joined the ZAT team to fight for the peace of the earth. After the combat mission, Dongguang Taro returned Otto's badge to Otto's mother and traveled alone on the earth. Later, he returned to the country of light, and Taylor became the chief instructor of Otto's cosmic guard. To this day, he still has a son, Taiga Altman.

5. Leo Altman.

At first, Leo was weak, but under the strict guidance of the stars, he gradually grew into an Otto warrior, defeated one enemy after another, and was a master who was good at cosmic boxing. Later, he became a member of the Otto brothers, and now he is a member of the cosmic guard of the Kingdom of Light. He is also the mentor of Ultra Seven's son Ciro Altman and a martial artist in Showa Department Ultraman.