From my fantasy novel The Coming of the dragonkind
'That said, some others like to sneak back to Earth, often using the less-regulated Portals, most of the time just to mess around with humans," Candwyr continued with an eye-roll.'
"Also, you may want to leave the robe behind. The gateway tends to burn up fabrics."
'"How are you... here?" Erin stammered, gesturing vaguely at him. "How are you real?! I mean, you are real, right? You're not, like, an animatronic or a mutant or something?"'