So, you want proof that Noctis is Lightning? It's simple! What does Noctis mean? Night. What rhymes with night? Light. What produces a large amount of light? Lightning! Thus, Noctis is Lightning. However, I shall go further! Who is the god of lightning? Thor! Who is Thor's father? Odin! Who is the wisest of the gods? Odin! What else is very wise? The Illuminati! Thus, Noctis, and by my previous statement, Lightning, are members of the Illuminati!