I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

No matter how little or how much you use me, you change me every month. What am I?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What is full of holes but still holds water?

Who has married many women but was never married?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?