The "Undead Human" is an enemy that was going to appear in Devil May Cry after it officially transitioned from its "Stylish" stage of development.[excerpt 1] According to the Devil May Cry: 3142 Graphic Arts book, this enemy was going to appear on the fourth stage of the game as a mid-size monster.
↑These images are of monsters that didn't make the cut when the game officially became "Devil May Cry". There are a lot that I really like, but their designs aren't well-suited to "Devil May Cry". I especially like the Griffon Baby on page 69. That one actually made it as far as the modeling stage, but it wound up looking too cute... so naturally, it was cut. (Matsushita)