Answer:
Possibly the only famous plumber who has the courage to ever to rescue a princess.
What is black when it is clean and white when it is dirty?
What gets whiter the dirtier that it gets?
If it has a quart capacity, how many pennies can you put into a empty piggy bank?
A metal snake that runs on tracks.
Born in the ocean and white as snow. When I fall back to water I disappear without a trace.