I am surprised this topic hasn't come up already. I was going to use this a way to try out the toning feature in Manga Studio but it frustrated me to know end so I just did the toning in Photoshop.
I could draw Man-Thing all day. Once you get his anatomy right it is just a matter of playing around and going crazy with the details.
Also, everybody is rocking it this week. I should have know Giant Size Man-Thing would be a hit with this crowd.