I am sorry to say that ghost do not exist
Ghost Cat was created in 2003.
The duration of Ghost Cat is 1.53 hours.
With ghost mice
Ghost-Cat Wall of Hatred was created in 1958.
Ghost-Cat of Arima Palace was created in 1953.
The duration of Ghost-Cat Wall of Hatred is 1.47 hours.
Ghost Cat - 2010 was released on: USA: July 2010
The duration of Ghost-Cat of Gojusan-Tsugi is 1.45 hours.
The duration of Ghost-Cat of Arima Palace is 2940.0 seconds.
Ghost-Cat of Gojusan-Tsugi was created on 2009-06-08.
In "Ghost Cat" Jodi makes up the cat, so she can avoid the fact that her dad died. She was his "Dear Rabbit"
I think it represents their father, and how death isn't always forever, and that they are always with you.