.:Ava David - Master of Voice:.

This character could be taken as an 'oc'. She's designed to fit the Ninjago universe from the show Lego Ninjago.
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Ava David, an elemental master of the voice. She's able to do many different things with her voice, like mimic other voices or sounds, shatter glass with her sonic scream, and sing like a siren.

Her symbol is a wolf due to it's beautiful howl.