In 22 BBY, he served in Torrent Company, a unit with the 501st Legion, and accompanied General Anakin Skywalker and Captain Rex during the Battle of Christophsis and later the Battle of Teth. Hez assisted Skywalker and his new Padawan, Ahsoka Tano, in recovering a kidnapped Huttlet. Hez and at least three members of his squad were killed when he fell to droid fire while defending the entrance to the monastery where the Huttlet was being held.
As a male Human clone of bounty hunter Jango Fett, Hez stood 1.83 meters tall, and was born on the Wild Space planet Kamino.
Hez first appeared in the 2008 novelization of the Star Wars: The Clone Wars film by Karen Traviss.