Answer:
I have a mouth on my head and eat everything.
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?
I describe a toilet cleaner as well as one of Santa's reindeer
My voice is tender my waist is slender and I'm often invited to play. Yet wherever I go I must take my bow or else I have nothing to say.
Long and thin red within with a nail at the end.
It weighs next to nothing but no one can hold it for long. What is it?