Answer:
Passed from father to son and shared between brothers, its importance is unquestioned though it is used more by others.
A blue man lives in the blue house. A red man lives in the red house. Who lives in the white house?
Mountains will crumble and temples will fall, and no man can survive its endless call. What is it?
It is a common and favored clothing material among biker gangs and superheroes.
What is the word that even in plain sight remains hidden?
People take me on walks and I run and have fun. What am I?