I had a horrible idea that I'll never use about a robot that is solely powered by puns and bad jokes. It would need a lame sidekick I suppose, and as a concept this would be entirely unwatchable because frankly who wants to watch shitty jokes all day.
The nanomachines work like a grey goo (Or grey death if you're Deus Ex fan) multiplying and gradually mechanising banana eaters from the inside out without them realising. The Cyber banana people develop a new faith surrounding the worship and consumption of the banana, gradually bolstering the ranks as more and more…