Fan Casting Ruru / るる in Characters by Name but I'm Excruciatingly Thorough

From Japanese 月 (ru) meaning "moon", 流 (ru) meaning "current, a sink, flow, forfeit", 涙 (ru) meaning "tears, sympathy", 琉 (ru) meaning "precious stone, gem, lapis lazuli", 瑠 (ru) meaning "lapis lazuli", 留 (ru) meaning "detain, fasten, halt, stop", 羅 (ru) meaning "gauze, thin silk", 羽 (ru) meaning "feathers", 蕗 (ru) meaning "butterbur, bog rhubarb". Other kanji combinations are possible. Usage of this name is, most likely, influenced by the name Lulu or Loulou.