Touma Norstein

Touma is a 14-year-old boy genius who graduated from the Stockholm Royal University of Science at the age of 12. His abilities are considered elite, even within DATS. He bases his operations on data and theoretical principles, and as such his personality clashes with Marcus's. His mother is Japanese and his father is a prominent Austrian aristocrat named Franz Norstein. He also has a younger sister, Relena, who suffers from a strange disease. Calm and shrewd, he is the exact opposite of Marcus and sees him as a rival. He has an elitist attitude but he gets emotional when thinking of his mother, who died years ago when he was young.

Touma's loyal partner is Gaomon, who always addresses him as "master" and gets angry easily when he thinks someone is not treating Touma with the proper respect. It has still yet to be revealed how the two actually met. A great deal of Touma's background comes in episode 15, when MetalPhantomon manipulates his mind, feeding Touma nightmares from the past. We learn his mother died in a horrific accident in which she was killed by a speeding truck. However, the nightmare does not have the entire desired effect on Tohma, and he pulls through, allowing Gaomon to evolve to MachGaogamon.

In episode 28, he finally obtained the power to Digivolve his partner further, but his Digivice iC was not able to support the enhanced power of his Digisoul and shattered, with the same process happening to both Marcus's and Yoshino "Yoshi" Fujieda's digivice. In the following episode, he, along side his friends managed to repair their iC's and turn them into Digivice Bursts, allowing Gaomon to evolve to MirageGaogamon. After the destruction of ElDoradimon, Touma was forced by his father to abandon his friends and side with DATS' greatest enemy Akihiro Kurata, who claimed to have the means to cure Relena.