A rock group of four men, all famous, no strings, People flock to see them, though none of them sing.

I have been around for over two hundred million years, and my ancestors are not that different from me. My grip is strong, so don't roll your eyes, or you may end up in my thighs. You can find me in water or land, though water is more my landscape.

Once a doctor's life-saving invention, slasher villains now wield me with the opposite intention.

On paper we record history for keeps. On phone we ignore some ignorant tweets. As a noun I helped society remember its prime. As a verb I am often seen as a waste of time.

Each day, I rise, I recede, never fall: lands of earth know my touch, one and all- The wise once saw me as proof, the world is round: for heavens move me, a truth profound.