Daphne Dreadnaught is an inventor and ghost hunter who appears in the Spook Central MiniQuest.
Daphne is devoted and educated in the art of ghost hunting. She has black hair with white highlights, and has a grimace on her face. She wears goggles and underneath has relaxed eyes.
When you arrive inside the lab on the Spook Central quest, you will find Daphne working on a bizarre machine. When prompted she shall tell you that five ghosts have escaped from this machine. She ask you if you can catch the ghosts. She gives you ghost files, an EMF detector, and a plasma net. After you catch the ghosts, it is revealed that what she really wanted was to build a ghost army to take over Poptropica. You have to catch all the ghosts that she releases in order to defeat her and obtain the Ghost Hunter Suit.