[Considering it sounds audibly like "myth-vie", saying Myddvai somewhat correctly is easier than reading it out for most people.]

Glow-? No? It's because I am a candle. [simple enough!

A pause. A sigh.]

Right, you probably didn't know that, I'm wearing this illusion most of the time. [they point at him, commanding and deadpan]

Don't scream. It hurts my feelings. [and with that, fwoosh! The illusion burns away like the end of their cigarette, which burns away completely at their lips. Their candle form is beneath it, an odd sight but-

Yeah, definitely makes since why a creature composed of four open flames might not want to go out into the pouring rain.]