Everyone with Lei in his name has a proper English name.
Lillian (Latin) Lily, the name is reminiscent of a fragile, simple and rich woman with glasses-perhaps a librarian. Some people think Lillian stands for kindness, while others think Lillian is honest and talkative.
Rosalie's tail sounds like "thunder".
Ellie is short for Eleanor, Ella, Ellen, etc. People think that Ellie is a lovely and conservative southern country girl, naive, charming and sweet. (The reason is the same as above)