Answer:
Which button does not function when being pressed?
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What is it?
Face with a tree, skin like the sea. A great beast I am. Yet vermin frightens me.
Each of these ends in a kettle full of precious metal and the double variety is quite awesome
What has two spines and a lot of ribs, and carries much but never moves?
Special abilities and brightly colored underwear are all you need to be one of these.