Well I tell you what, you've done supremely well so far! And another thing, it's getting harder and harder to think of silly ryhmes at this stage! But here goes, see how this one fits into your brains, whatever else it will confuse the hell out of the revenue!
What's black and black and loves adventure,
And is driven by two total spacers?
While there is no need for any censure (thanks internet, that was the best rhyme I could come up with!)
Maybe you better try racers