User blog comment:Artoria's Bike/EMIYA Alter Theory/@comment-29363531-20170113114703

- Ally of JusticePerpetrator of Evil - check

- Double Cross - check

- Empty fiction - check

- White hair check, dark skin check, haircut check, white/grey eyes check

Confirmed, Nasu just have read DC comics lol

https://en.wikipedia.org/wiki/Aqualad_(Kaldur%27ahm)