pied piper

Short definition from Wiktionary

Noun

1. 1
   That which draws many in its wake.

Proper noun

1. 1
   A folk tale or legend, dating back to the Middle Ages, about a ratcatcher in variegated attire, hired by the German town of Hamelin, who is not paid for his services and retaliates by luring away the local children by playing a flute.
2. 2
   The flute-playing ratcatcher who is the protagonist and title character of this story.