Izuku will take that hand out of politeness, though it may come as a surprise to the Professor when Izuku's is just as scarred. A lot newer, a lot easier to see...his fingers are crooked on that hand too, but he isn't drawing attention to it.

"Ah- my name is Midoriya Izuku," he starts, his brows raising past his hairline at the mention of "Pokemon". Because while that in itself doesn't strike him as familiar, something else does...

"Do...they have anything to do with a "Pokedex"? There's something called that in the library that I came across earlier, but if you say the creatures here aren't Pokemon, then that might be wrong. They're listed in it, either way."