Arietta and Melody

Arietta and Melody are twin sisters. Their parents are Crazy and Shelly (as shown in Oh, Baby! ).

Arietta
Arietta is the youngest of the duo. She has a shell with a purple and green pattern. She is a purple turtle. Like her parents she is musically talented. She plays a toy piano. Like her parents she flips out whenever something irritates her.

Melody
The oldest of the duo. She is a green platypus with a beret and a purple tail. Like her parents and Arietta, she is musically talented. She plays a toy saxophone. She is a "Daddy's girl" and she mostly takes after her father. Like her parents and Arietta she flips out when something irritates her.

Trivia

 * Melody is the second character named Melody
 * Arietta and Melody are both named after musical terms
 * Melody is 2 minutes older than Arietta