Once I had a nightmare about him. He talked with me in a friendly way, but I was scared of him. He said his name was Asrail and when I got up I googled it and found that in Christianity there's the Angel of Death named Asrail. I was a bit shocked 'cuz as I know from biology, our dreams are generated based on our memories, but I've never heard of him. In the dream he had 2 forms: humanoid form and beast(?) form. Well, I decided to sketch this dream...