Pollie the Hippo is the daughter of the chief of police in the city of Las Americas. Her father's lessons have taught her to always fight for justice no matter the cost. Pollie's dream of following her father's footsteps and becoming the chief of police has her constantly taking on new "cases". Pollie has an "assistant" twin brother named Cassie who is 20 minutes younger than her.

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"Cassie, if we can catch the biggest baddest criminal in the city... Dad will be so proud of us!"

                              - Pollie the Hippo