There’s been a lot of chatter here over the last few days about AI voices provided here.
They’re not perfect, but the best ones are those for robots. The B1 Battle Droid voice is very good, and they have no mouths (so no lipsync), so they could be amended to both trim goofiness and add context.
For example, “Our forces are thousands! You two Jedi won’t be able to stop our invasion!” might be used in a few places to sell the invasion angle.