Together, the three friends have become a family.”
-- Narrator (For Whom the Ball Rolls, Foreword)

Importance: This shows that Dog Man, Lil' Petey, and 80-HD have a strong relationship that is more than just friendship.

But we can't give up, Dog Man! We always gotta keep trying!!!”
-- Lil' Petey (For Whom the Ball Rolls, Chapter 2)

Importance: Lil' Petey is trying to teach Dog Man to focus, but Dog Man keeps failing the tests Lil' Petey gives him. Lil' Petey's determination and his certainty of a positive outcome are examples of his character.

You've been living with those two knuckleheads for so long … that you think the whole world is just rainbows and unicorns and lollypops!”
-- Petey (For Whom the Ball Rolls, Chapter 4)

Importance: Petey is explaining to Lil' Petey why his view of the world is wrong. He is trying to make the point that they are seeing things with unrealistic optimism. Lil' Petey's response indicates his attitude is not changed, because he shouts “Yay! Lollypops!” (70).

I'm finally finished building my army of burgle balls...
-- Dr. Scum (For Whom the Ball Rolls, Chapter 8)