Answer:
I am known for my natural tuxedo and marching
Many people own a copy of me. Without me the world would fall.
What has a head but never weeps a bed but never sleeps can run but never walks and banks but no money?
I walk on 4 legs in the morning 2 legs at noon and 3 legs at night.
I am expelled from you orally with a sound
What made Cyclops quit teaching?