every single movie character is very clearly an IP character with the serial number filed off. g13 threw us for a loop but it's a johnny mnemonic joke (m is the 13th letter, and we have a g instead of a j-)
like yeah the poster is a riff on atomic blonde but the name has nothing to do with the character and we're trying so hard to find some kind of cat burglar or spy femme fatale from an 80s or 90s movie with a last name that has something to do with water
I'm not ruling out the possibility that she's the only one that's not a direct one-to-one but the fact that drips stands out so much has been driving us crazy (and her being the only standout not one-to-one would also drive me crazy) but it's entirely possible