I love fantasy and magic but I think for true impact I'm going to go sci-fi. My character is called OMNI - born of an advanced civilization's Artificial Intelligence. OMNI blurs the line between the pinnacle of technology and godhood OMNI is the sum total of a very ancient sophisticated culture which created "him". Although OMNI is beyond gender it's easiest to refer to him in a masculine way as that is the form in which he manifests his physical presence.
OMNI increases his knowledge each time he encounters a new race of being or any new physical property of the Universe. His unimaginably huge database of philosophy, scientific, and inter dimensional principles enables him to tap into the invisible dark matter that surrounds us all. This is OMNI's cloud so he can never truly die as he can upload his essence and travel through the dark matter as well as access any part of a vast storehouse of information stored in the universe wide cloud.