Milky Way cookie is a mature person for their height, since their height makes them look childish.
Milky way cookie is made out of star dreams as confirmed by creator of cookie run.
They seem annoyed when given more work, saying they'll do it tommorrow or just giving the person who gave them more work a judging look.
They are willing to drive you around the world of dreams in their magic train but ONLY if you have special tickets. "You need special tickets to ride a special train." - Milky Way