After being dispatched to exterminate the demons that were plaguing the villages, Trevor noticed a conspicuous white creature amidst the dark hordes. Immediately afterwards, he heard a strange voice echoing inside his mind. "Kill the one who has tormented you so," it commanded. But Trevor was so consumed with madness that he could no longer recall whom he had been jealous of.
See Wind Knight Trevor.
The meaning of the name Trevor is: Wise, Prudent.