Serenity Fizz aka Numbuh 52 is one of Mr. Fizz's daughters, She is a calm, tomboyish and tough girl. Who loves to fighting , eat candy like Numbuh 5 and sometime little bit a funny. Numbuh 52 wears a purple shirt , white pants and purple Mary Janes shoes. She is the one of Mr. Fizz's daughters, Numbuh 52 was tried to calm herself down, but Numbuh 52 going crazy like her father.  

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