Hearing the theory that the C-3PO and R2-D2 origins were probably swapped with each other because why would a kid build a protocol droid to help his slave mom fix things made so much sense that it makes me think this is actually possible.
http://www.tickld.com/x/jaw/this-guy-just-changed-the-way-we-see-star-wars-jar-jar#page-1
Maybe he took Darth Maul's ship after it was left abandoned? Wave 9 ship/pilot confirmed!