Fixer ist ein kalkulierender, etwas trockener Klon. Er spricht seine Squadmitglieder immer mit ihren Namen an und ist etwas distanziert von ihnen, doch er ist fast immer konzentriert und ihm kommen im Gefecht oft kluge Ideen, auf die sonst keiner im Squad kommt. Fixer ist ein sehr guter Informatiker und knackt nahezu jedes Terminal in hoher Geschwindigkeit. Neben dem Berater des Delta Squads kennt er sich am besten mit gegnerischen Kriegern, Fahrzeugen oder Raumschiffen aus.

During training on Kamino, Fixer became a favorite student of the class's instructor, borderline sociopath Walon Vau. The two both shared a common obsession with weapons, technology and tactics. In fact, Vau and Fixer developed many new close-quarter combat moves.

Sergeant Vau realized that Fixer's strict by-the-book attitude was exactly what was needed in a vice commander. Because of that, Fixer unofficially became second-in-command of Delta Squad. In the group, he became the unit's resident technology expert. When the Deltas were deployed in battle, Fixer typically took care of computer-slicing, code-breaking and other similar technological needs. Fixer was notorious for being particularly lethal with the retractable melee blade integrated into his green-striped Katarn-class armor.

Fixer's first mission with Delta Squad was on Geonosis. During the Battle of Geonosis the Deltas were given the task of eliminating Sun Fac and destroying a hidden jamming device. The Geonosian technology was no match for Fixer's slicing skills, and with his help, the Deltas were able to complete their mission, and later in the battle infiltrate a landed core ship. Fixer remained with Delta Squad throughout the Clone Wars through their mission on Kashyyyk.