Star Wars - Saga Legends (30th Anniversary) - C-3PO w/ Battle Droid Head Action Figure - 2007

When R2-D2 and C-3PO stumble upon the massive droid factories on Geonosis, an impatient Artoo accidentally knocks C-3PO onto a conveyer belt, where he is fitted with a new battle droid head, which causes him to take on a more aggressive persona.