Answer:
I usually wear a yellow coat. I usually have a dark head. I make marks wherever I go.
I like to take trips and solve problems, puzzles and riddles along the way. I am never alone because my monkey friend will always accompany me. Who am I?
It get wetter and wetter the more it dries
What divides by uniting and by dividing?
What kind of storm is always in a rush?
I am the same written forward backward and upside down.