A bit late, I know, but I actually took more than a year of sketching until I finally liked it.

Historical Background:
Some sources say she is the goddess which people have revered by celebrating easter, which had a non christian origin. Otherwise not much is known about her and some scholars even doubt that she is the real reason for the hedon festivity.
Therefor her cultural existence is not proven and noone really knows tho which religion/culture she actually belongs.