Popsugar Entertainment Once Upon A Time Once Upon a Time's Biggest Twists 25 Twists on Once Upon a Time That Completely Rocked Fans 16 May 2018 by Kelsie Gibson View On One Page Photo 6 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 Peter Pan Is Rumpel's Dad Not only is Peter Pan evil, but he's also the Dark One's father. Previous Next Start Slideshow Once Upon A TimeTV