I've heard dream characters were all linked to your subconscious when lucid dreaming. Whether if this is true or not, it still sounds very interesting. I'm pretty skeptic but this experience changed my life a bit. Here's a lucid dream I had a while ago:
At first I was admiring the dream. Everything looked high in detail, but also glossy. Even my fingers were glossy. I knew I was dreaming, so I count my fingers and tell myself that's unnecessary since I already knew I was sleeping. I walked up to this old man and asked, "Who are you?" He then replied, "I'm you." I was in awe after he said that, so I asked, "Are you real?" His answer comforted me, since I have questioned reality plenty of times and had been emotionally drained lately. He said, "Of course you're real" and that's when my subconscious reassured to me that I'm living and I'm real. I'm going to be more in detail with my questions the next time I talk to people in my lucid dreams.