This is Marid, Dirge's late mother, and one of those characters I'm kind of mad that I already killed off because I think she's cool and want to play her.

Anyway, she was a nurse in Booty Bay, I think specifically for the bruisers there. Sassy, busty, definitely inspired by Bettie Page and Dita von Teese, and yes... she took one look at Djinne's enormous schlong and went "... CHALLENGE ACCEPTED 8|" His mermaid tattoo is partially fashioned after her likeness :3