This list is going to be a lot harder to make than the one for DC personifications.
Me too. I watched this back when I was thirteen. Everything was changing and my closest friends were fading away and I felt so lost and depressed back then. I owe it to this anime for giving me a different idea of the reality of life. Come to think of it, I was kinda self-centered before, hiding in my own shell and not caring to reach out to others, but after watching this anime, I realized that everyone goes through hardships and tough times; everyone is trying to find happiness in this world and if their hope is lost, then life becomes useless to them. Now my mission in life is to make a difference, to keep people from crossing that point where their lives don't matter anymore.