The probe killer, also known as the mini-assassin probe, was a model of assassin droid. Spider-like, these tiny, six legged droids could be carried inside the small pits on the head of the larger SD-K4 assassin droids.
- Star Wars: Force Arena
- Star Wars: The Clone Wars – "Voyage of Temptation" (First appearance)
- Star Wars: Commander
- (First identified as probe killer)
- Ultimate Star Wars