The EV-series supervisor droid, also known as the EV-series droid overseer, was a model of supervisor droid manufactured by MerenData. The droid was gangly in form. One of the droids, EV-9D9, worked for Jabba Desilijic Tiure, as the chief of his palace's Cyborg Operations.
Around 9 ABY, EV-9D9 worked as a bartender in Chalmun's Spaceport Cantina.
During the Galactic Civil War, the Pyke Syndicate utilized several black-plated EV-series supervisor droids with orange-striped shoulders in the , employing them in the .
EV-series supervisor droids have served as bartenders in several earlier Star Wars products. In the Legends video game adaptation of the 1999 film Star Wars: Episode I The Phantom Menace, an EV unit designated EV-7G7 bartended at the Mos Espa Grand Arena's 7-Gee Lounge. Another EV unit known as Isaac bartended aboard the Khetanna in the "Fett Defeated" segment of Robot Chicken: Star Wars Episode III, a non-canon Robot Chicken special that originally aired on December 19, 2010.
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