R2-A3/Legends

R2-A3 was

R2-A3 was an astromech droid used by Wedge Antilles at some point between the Battle of Endor and his reformation of Rogue Squadron.

Behind the scenes
R2-A3 originated as an action figure packed with Wedge Antilles' x-wing starfighter. It was given a name by Lucasfilm.