Jonas Unnerstall

Jonas Unnerstall, also known as Bionic God, is a notorious time-traveling bionic supervillain from the 23rd century and original timeline descendant of Kaz Unnerstall and Bree Davenport. He currently is a fugitive in the year 2058.

Background
After learning of his famous ancestors, Bree Davenport and Kaz Unnerstall, and how they were part of an Elite Force, Jonas worked hard to become like them, becoming an expert in the field of pyrotechnics and modifying his own bionics to encompass super-speed. Jonas decided that he wanted to meet his idols, but was heartbroken to learn that his doing so would cause them to become great rivals. Jonas decided to head back in time to prevent Bree from becoming bionic in the year 2005, so he could be unrivaled as the world's greatest bionic human, by killing her mother, Kathryn, in 1998. Unfortunately, this had the opposite effect on Douglas Davenport than what Jonas anticipated, causing him to become even more determined to keep his kids as bionic soldiers and doing it 7 years early. Knowing he had to keep an eye on Bree as his chip was fried and she was his only hope of getting back, Jonas merged his soul with Donald Davenport's and adopted the bionic kids as his own. Jonas freed himself from Donald when Douglas Davenport died, taking over Douglas' body. However, he was soon captured by The Black Force, a team of time-fixers who tried to erase time remnants like him, which is what he became after Kaz's death. Jonas later met Kathryn Griffin who wanted to save her mother, and decided to help her as a means to save his own existence.

Trivia

 * While trapped in Donald Davenport's body, Jonas successfully broke Sebastian and Lexi out of prison and gave them the idea for the Enlightenment, during which Exportation was struck by shrapnel and given bionic abilities. This means he is the true main antagonist of Bionic Guy Seasons 2 and 3, having orchestrated the acts of big bads for both seasons.
 * Additionally, he counted on Exportation being strick, knowing it was a key that led to his past self stranding Bree Davenport in time during the Crisis of 2028, a motive that inspired Kathryn to find her missing mother. This shared connection serves as part of the reason he helped her in the first place.