Talking about his childhood Ruggie says that he would dig through thorny bushes in a restricted area at the base of a lookout point in Sunset Savannah that is popular with tourists, who would sometimes drop snacks, watches, accessories or coin purses.
Ruggie says that while he only got lucky once a week or so it was a great way to make money as a child, but once he got too big he had to retire.
Ruggie volunteers to buy snacks from the school store on a classmate’s behalf, insinuating that he intends to take the opportunity to pocket some of their change.
We learn that Ruggie keeps the cash he receives from such tasks under his pillow that he wraps in a towel, and he will count the money at night, saying that staring at his bankbook makes him happy.
Silver says that he once saw Ruggie searching under a vending machine for loose change.
Ruggie reacts immediately to a shiny object during Spectral Soiree that he believed to be a coin, surprising Riddle and Ortho with his reflexes, and is disappointed when it is only a piece of mirror.
In Book 7 we learn that Ruggie is capable of identifying the denominations of coins by the sound they make when they fall on the floor, an ability that Azul discovered when a Mostro Lounge employee dropped seven 753 madol worth of coins that Ruggie was able to identify based on sound alone.
After gathering the coins for his coworker, Ruggie asks to receive “an extra-generous comp meal” for his efforts.
Twisted Wonderland Reference Note 