[IT'S NOT NORMAL AT ALL!! But fortunately (or unfortunately), Todoroki lucks out this time, because the person he's asking isn't very normal to begin with.

He looks at the one addressing him and seems to seriously consider his question (like it's totally normal).]

Hmm. Yes, I suppose I've been called that. [He supposes.] Mankind's oldest hero, "The King of Heroes." But more emphasis on the "King" part.

[It's probably hard to tell, but he's being modest(???).]