yohn was a male engineer who served in the Galactic Republic's Futures Program on Brentaal before being hand picked by Director Orson Krennic to join Galen Erso's kyber crystal research team.
Tharnakans were sentient species from the planet Tharnaka. They were forced to flee their homeworld and subterranean dwellings when massive floods covered the surface of their world.
The RP82 Fiend fighter was a model of starfighter piloted by Shin Hati and Marrok when engaging former Jedi Ahsoka Tano and her Mandalorian Jedi apprentice Sabine Wren during their investigation of the planet Seatos where the secret Eye of Sion was located.
On the planet Lau, the Imperials were loading an unidentified Gallofree Yards Inc. Model Bulk Freighter with various creatures to be used for experiments by the Empire.
The Valiant-class Star Destroyer, often called the Valiant-class Cruiser, was a Star Destroyer manufactured by Cybe Drives primarily for the Galactic Republic.
The DC-15LE was a blaster rifle and variant of the standard DC-15A blaster rifle, which could be modified for long-range engagements or to fire explosive blaster bolts.
An energy crossbow was a type of crossbow that fired energy projectiles. Around 18 BBY, Echo gave Omega a modified energy crossbow that he had acquired.