Answer:
I am a celebrity fish.
I take off my clothes when you put on your clothes. I put on my clothes when you take off your clothes
I have a brother. However much we run we do not reach each other.
How many letters are there in the English alphabet?
You hear me speak, for I have a hard tongue. But I cannot breathe, for I have not a lung. What am I?
When is it bad luck to see a black cat?