Tech is a genetically defective clone of Jango Fett and a member of Clone Force 99, also known as the Bad Batch, a squad of clone commandos who each bore genetic mutations.
Tech first appears in meeting with Anakin Skywalker, Captain Rex, and Commander Cody. Tech and the rest of Clone Force 99 are assigned to help Anakin and his clone squad retake the Anaxes from the Separatist forces.
Tech first appears meeting with Jedi master Depa Billaba and her Padawan Caleb Dume on the planet Kaller. Tech and the rest of the Bad Batch take Caleb with them to take out some Separatist forces as they hear the Clone Wars is coming to end.
- Tech is the only clone known to be wearing glasses.
- He is the only member of the Bad Batch who didn't have a second outfit Hunter and Wrecker had civilian outfits, Echo had a Droid disguise, and Crosshair had imperial armor.