Jimmy Dazzler is a wealthy exterminator and citizen of East Ardougne featured in the Ratcatchers quest. During the quest, he tasks the player to clear a mansion full of rats without being seen by the guards that constantly patrol the area.
He is located in the house to the west of the Flying Horse Inn and north of the castle in East Ardougne.
After the quest, he will chat about various other rat catchers. He is accompanied by his cat, Bones, who playfully runs about.
- The description of his smiles and the party is possibly reference to the main character from the book The Great Gatsby.