Answer:
I am a celebrity fish.
What room do ghosts avoid?
You see a boat filled with people. It has not sunk but when you look again you don't see a single person on the boat. Why?
I can be hairy and itchy all over. I hang on a stick. I can be the scariest thing you have ever seen. I stand in the middle of nowhere.
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves every day. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.