"A hero name...like...what I'll go by when I get my license?" That works! But it also gets a bewildered look from the teen for sure.

"Like Eraser Head, All Might, Endeavor...Hawks?" He's just listing heroes at this point...not that Shiroe will know them. "I still haven't figured out what I want mine to be yet but Aizawa-sensei said I don't have to decide yet...just soon."