Beetlejuice cackled, but did eventually change his face back to his own. He was happy his shenanigans were well received, as opposed to being called "cruel and mean spirited" or "inappropriate", or any number of other things that Charles, and even the Maitlands on occasion, had labeled him with. 

He flew back to Lydia and answered her question from before. "I mean...telepathy is [i]kinda[/i]' like reality warping. Just a really lame version of it. But I won't hold it against you, kid."

"Wait, so you can 'warp reality'?" Nina asked, eyeing him suspiciously. "What exactly does that mean?" 

Beetlejuice shrugged. "The Wikipedia page isn't exactly clear, so, honestly, just whatever moves the plot or is the funniest at the moment." 

"What?"