Buyer

The is a character in.

Biography
The Buyer can be found in Hyrule Castle Town when Link is a child, and in Kakariko Village seven years later. He will pay 50 Rupees for a Bottle of Bugs, 100 Rupees for a Fish, and 150 Rupees for Blue Fire. Link cannot sell him Poe Souls, Potions, Lon Lon Milk, or bottled Fairies.

Trivia

 * Unused text in the game's code shows that the Buyer would have paid 25 Rupees for a Fairy.