Answer:
I am heavy forward but backward I'm not.
I am known for my natural tuxedo and marching
Sometimes I annoy you, sometimes you can't live without me. But no matter how hard you try, you can't destroy me. What am I?
I am the beginning of eternity the end of time and space the beginning of every end the end of every place.
You write on me and secrets I can keep. In places never seen. I spin like a top. Though stiff as a board I'm often described like a mop.
What made Cyclops quit teaching?