Answer:
I am a rock group with four members all of whom died in plane crashes. Who am I?
When you take away the whole from me, there is always some left. What am I?
You shoot me but I don't die. You hang me but I don't die. What am I?
Cloud is my mother. Wind is my father. I come down but never go up. What am I?
I am two-faced but bear only one. I have no legs but travel widely. Men spill much blood over me. Kings leave their imprint on me. I have greatest power when given away yet lust for me keeps me locked away.
What made Cyclops quit teaching?