E2-34 is an escaped synth from the commonwealth in the Tales of the Wastes mod: The Last Enemy that shall be destroyed. She an optional target, who defends Maurice, avidly, due to him re-writing her programming and making her a slave.
E2-34 managed to free herself from the Commonwealth's bonds but found herself wandering into the arms of another unscrupulous scientist. Maurice offered to look into her programming, to check for surprises. He instead overwrote a lot of it, making her a mindless slave.