Answer:
I am the kind of soda you must not drink. What am I?
I am a king who's good at measuring stuff. What am I?
What goes up but never comes down?
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
I am not very commonly found! Only in some rainforest! I have an odd number of toes! I'm very lazy and hang upside down! What am I?
No matter how little or how much you use me, you change me every month.