Elizabetto Tetu was the voice of Diana, Nicole, and Maia on Total Drama Gone Wild during Parts 1 and 2 of Episode 1. Some of Elizabetto's past roles include Daphne and Molly in Sally and Chica, Balc in Sin Eater, and AnnaLin in Key to Fate. She recently stepped down from her role as Diana, Nicole and Maia and those characters have been replaced by new voice actors.
Screen Shot 2017-05-30 at 8.32.06 PM

Elizabetto Tetu's credit on Total Drama Gone Wild.