While I don't really want toon versions of most anyone, in the spirit of the thread, I'd take:
-Hordak (a repaint with the HH right arm would be fine)
-Marzo (at least this version is different enough and could simply be an alternate look, though the face should look like the same man)
-Hawk (I do prefer the Filmation look, but the MYP character)
Filmation variants of He-Man and Skeletor (and most others) hold zero interest for me. (I could be swayed by a toon Teela.)