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Evangeline "Princess" Merlyn

"Well he's not a fish now, is he?"

portrayed by Danielle Rose Russell

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Percy "Waterboy" Jackson

"Goodnight, princess."

as described

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Mary Merlyn

"I taught you better than to let your guard down."

portrayed by Phoebe Tonkin

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Annabeth Chase - as described

Grover Underwood - Robert Sheehan

Luke Castellan - Jake Able

Landon Martin - Chris Briney

Thalia Grace - as described

Tyson - as described

Clarisse La Rue - as described

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