Work in progress. Have some important bullet points:
Punky sea witch with an appetite for speed, mischief, and people. Not in that order.
She's got about a quarter mile of hair stuffed up into that jiggly hat of hers, and she's damn proud of it. Tidal waves of pink are expected.
Lower body can turn into a sea slug girl, mermaid, octogirl... pretty much anything.
Long stretchy tongue.
Yes, she's riding a trident instead of a broom.