Earl Is the God of earth and he is the wealthiest of gods. Earl is the king of earth and has the biggest kingdom any mind could desire thinking about.
Roxy is the goddess of all rocks including diamond and she loves rocks. Roxy's bedroom is filled with all sort rocks from the simple rock by the river to the big ruby in the museum. Roxy lives in earl's kingdom because they're bot brother and sister.
Earl doesn't appreciate her sister so he steals Roxy's diamonds, which makes him wealthier. Roxy doesn't like when earl steals from here so she starts to cry making every rock on earth go crazy creating an earthquake.
When earthquakes happen the earth turns into chaos but soon earl stops it and gives the diamonds back, but every now and then Earl tends to steal diamonds making Roxy cry.