The "no biblical characters" rule really revolves around characters and beings from Abrahamic texts like the Torah, Bible and Quran. I'll make an exception for Lilith, however, since she is was in the Zeitgeist prior to any of those, and actually having origins in ancient Mesopotamia.
Life sucks, don't it?
You get up every morning and go through every step of the same boring routine. Wake, work, and sleep. Only to wake up tomorrow and do it again. Morning fades into evening without much of a change. You sit back at your dead-end job, and do what you can do earn money, but...