Unfortunately, only near-rhyme words are possible.
P.S.: Do you remember the "Elephant song" by Kamahl?
The pangolin fits into the melody:
Tell me said the pangolin
Tell me brothers if you can
Why all the world is full of creatures
Yet we grow in fear of man... etc. 
Paul
"You are old Papa Pangolin," the young man said, "and your hair is exceedingly white
and yet you incessantly stand on your head--
at your age do you think this is right?"
"In my youth" said the Pangolin beast to his son
"I feared it might injure the brain,
but now that I'am perfectly sure I have none why I do it again and again...
I am thinking a Andrew Lloyd Webber type number...
