TB-2 was a 2-1B-series medical droid in service of the Galactic Republic, stationed as a medic aboard the freighter Twilight during the Clone Wars. Originally a hologram, they were uploaded into a body and continued to serve aboard Jedi General Anakin Skywalker's freighter, as well as on his Republic Star Destroyer Resolute.
TB-2 was voiced by Tim Brock and credited as "medical droid" in "Rising Malevolence."