Ultraman Jack is the protagonist of Yuan Gu's special drama The Return of Altman. A member of the Otto brothers, ranked fourth. As a member of Aote Cosmos Guard, he is also the coach of Aote Dojo.

Realizing the resurrection of monsters on earth, Jack Ultraman Jack came to the earth 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.

Appearance characteristics:

Ultraman Jack is the fourth Altman to appear. Unlike the first two films, Jack doesn't have a shapeshifter. He changed by thinking. Jack looks like the original Altman, with many fine red lines and different neck colors.

Ultraman Jack's gloves in the play are silver, but they are red when the 52nd sentence of "Altman Taro" appears. One of the reasons is that influenced by Kamen Rider II's (new) red gloves, Ultraman Jack's weapon skills are rich and gorgeous, and fighting with Otto's bracelet weapons in the later battle has become one of Jack's main fighting methods.