Here is an upsized comparison shot:

And what I have so far, which is the forward walk animation, set above the beloved original:

And the X2X8 frames:

The X3X7 frames:

The X4X6 frames:

I'll put up a download when I'm done, which'll be, like, forever maybe. Hopefully not. We'll find out, together.
Sarcastic Feature List:
-Unisex armor design for maximum usability.
-The Iconic helmet is preserved because seriously why would the helmet differ?
-80% more breast protection than comparable models.
-85% less patronizing to the fairer sex.
-112% less gratifying to 13 year olds who can't Google.
-14% more freedom from Patriarchal oppression.
- -20% popularity with Mansplainers.
-45% more difficult to masturbate to.
-No indicators to let you know the gender of who you're throwing fireballs at from farther than 10 meters.
-DoomGAL instead of Doomgirl, because Guy and Girl aren't really gender opposites, you know?
-My mom said that the Doomguy's boots look like Uggs and I can't unsee that!
I'm no sprite artist, so input is welcome, but not that welcome.