Examine tray of black gunk.
It's coal for the brazier you've been using to keep this experiment warm. Theoretically it's a homunculus, but you don't quite see the point of making a kid that won't be born until three hundred years after you die. Sometimes you wonder if your creator was intending to discover the secret of bodily immortality and their notes are just in a code you haven't figured out yet. Sometimes you wonder if they did discover it and there's another reason they aren't here.