[Uh? Oh, right, of course a space alien wouldn't know who he is.]

[Though his arm is already sticky with drying blood thanks to her tail whapping earlier, why is a little more blood suddenly alarming-]

Ah, my apologies. This is normal.

[He tugs out a tissue to dab at his chin before vaguely gesturing to... all of him.]

As you can see, I'm not in the best of health these days. But I've been far worse, so...!

[And he's doing his best to keep this rickety old body fit for the sake of Midoriya's future, hence jogging his way out here in the first place.]