I am not a mammal, not an angel, hence I am .....?
Dark matter?
If you can provide evidence contrary to the mountains of evidence supporting evolution, then you've got something.
Yes, but what would he have?
Have you thought about the implications were the theory falsified tomorrow? The existing evidence doesn't go away. It just needs to be reinterpreted in the light of falsifying find.
What could that interpretation possibly be apart from a deceptive intelligent designer or race of designers existing that went to great pains to make it appear as if evolution had occurred, by planting the geological column, for example, with progressively less modern looking forms at deeper strata with radioisotopes carefully placed in the fossil remains in ratios such that deeper forms appear older. Giving man that fused chromosome was a nice touch. Very convincing, but if evolution were falsified, just another deception.
What's interesting to me here is the effort Christian creationists make to overturn evolution, never realizing that even if they are successful and correct about intelligent design, their god is already ruled out by this deception. The Christian god is said to want to be known, understood, believed, loved, obeyed, and worshiped. The trickster intelligent designer can't be that god. Nor need it/they be gods at all.