It's supposed to be a plastic pal who's fun to be with.

CIMON isn't much to look at. It's just a floating ball with a cartoonish face on its touch screen. It's built to be a personal assistant for astronauts working on the International Space Station (ISS).

It's also supposed to be something more.

CIMON stands for Crew Interactive MObile compinioN.

It's not supposed to be just a tool. It's also supposed to be a friend.

Yes, it's a personality prototype.

You can tell, can't you?

But, as numerous books and movies have clearly warned us — shortly after being switched on for the first time, CIMON has developed a mind of its own.

And it appears CIMON wants to be the boss.

This has CIMON's 'personality architects' scratching their heads.