List of people Boogiepop has defeated:
Manticore - shapeshifting, regenerating man-eater. Later is reborn as an electromagnetic distortion that sucks the life out of it's victims.
Fear Ghoul - Regenerating man-eater that feeds on the flesh of scared people.
The Imaginator - Reincanator that kills people after granting their wish.
The Peppermint Wizard - Don't know much about him.