Answer:
Words come out of it, aligned in perfect silence. A messenger of black on white, a slinky fellow drawing lines, of thin and soft graphite
Possibly the only famous plumber who has the courage to ever to rescue a princess.
This monkey food makes people slip and fall in cartoons.
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright
What divides by uniting and by dividing?
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?