Much of who you are comes from your childhood. Even nonsense words like "buddapurdamaddadurdahfurdahwuddah" can imprint themselves on you as your young mind is forming.
As a result, as I explore inner space, I have found that parts of my personality come from early experiences with Dr. Seuss, The Wizard Of Oz, The Chronicles Of Narnia, even Asimov's Foundation series and the fundamentals of electrical engineering.