Phoebe says Rachel and who else don't know what it'll feel like raising triplets?

Monica

Who was chained to a rock as sacrifice but saved by Perseus from a sea monster? What's the name of Rapunzel's chameleon companion in "Tangled"? Who is known as the father of modern physics? What are the small explosive paper rolls, often pulled apart at the dinner table during Christmas in the UK, called? What is the fastest flying insect?