- I am chaotic and erratic. You sometime need me, yet stay wary of me.
- My first sibling is calm, soothing, adaptable and pure.
- My second sibling is sturdy and reliable.
- My third sibling is fleeting and free as can be.
- The origin of my cousin is forever evolving, working hard with my third sibling to make the world a better place.
- My other cousin is very close to my second sibling. As sturdy as can be.
Who are we?