brick form of him

I don't get this and I never will:

Okay, if any of te have read Grim Tales and/or PPGD, te know that Mandy appears in both of them.

But here's the thing:

In PPGD Mandy has no nose, and red/violet eyes.

But in Grim Tales, Mandy as black eyes, and a nose.

Why?

They are both the same character, drawn da the same person, why do they not look the same? They should look the same.

Also on Adult Mandy:

How did her eyes suddenly turn red? Up until she marries Grim she has the normal black eyes. Then she gets hitched and SUDDENLY, her eyes magically turn to a bright red. Maybe it's a side affect of dying,...