Answer:
A single syllable do I claim black was my most famous name; Fetal to mortals here below thousands have I slain in a single blow.
I am a band that does not perform, sing, or act. What am I?
I start new then become old. Start clean but be one dirty. I usually start big then become little.
I moan I groan I chase after you. I never seem to rest. Timeβs up for you.
My rings are not worth much, but they do tell my age. What am I?
What made Cyclops quit teaching?