Depends on what your definition of great vastness, is.
But think about the generally accepted definition of great vastness - it's already come up with - you.
Compared to that, a planet shaped just like Alfred E. Newman's head is trivial.
; )
Yes, exactly!
There also is a planetary system that looks just like the Jackson 5. In fact, there are two of them — one with Jermaine and the other without.
Like you say, it’s trivially obvious that these things exist.