Yeah, that's him. And I guess so? I think he tampered with something to cause it, but he definitely didn't use a lantern like the other guy did.

Ah, Hibiki was a guy in Ra Yellow, around the same age as me. He seemed like a cool guy and to be honest, he was kinda friendly and polite even after everything was revealed, but...
... it turns out he was the leader of that Desperado group. His mother wrote these prophecies that he thinks are referring to us.