In "Society of the Blind Eye", Mermando explains to Mabel in a bottled message that he has pledged to marry her as a means of avoiding an undersea civil war, though it remains undisclosed as to whether or not she was forced to go through with the marriage as well.
She is a manatee with light grey skin, seen wearing a pink dress with white buttons and white frills on the sleeves and collar. She wears a large, red and gold crown with a spotted fur trim at the bottom, green jewels above it and a purple diamond on top.
Despite her being a manatee, Mabel believes that the queen is very beautiful.
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