Haha, their names are quite interesting in Chinese to be honest.
Daisu: 大树 Da Shu (Big tree)
Myou:阿淼 Ah Miao (its similar to the sounds cats make 喵)
Fuyuyu: Full name is 夏冬 Xia Dong, shortened to 冬冬 Dong Dong (read as Summer Winter)
Aoi Shuka: 金主 Jin Zhu (read as gold owner)