very nice done with the design i coudnt make something like this with the experience i have now but maby someday i will But in the mean time i will give you some nice critice
First the head looks nice detailed and all that But i have found some flaws in here i think you should take a closer look at the chest piece looks kind of uneven in the rib section and ithink the mouth thing looks kind of out of place with the pipe thing coming from his chest thing
and you should consider too work abit more on the details and just put a little little more work on seeing how the whole "thing" comes together as an whole and then perhaps work on how to do shapes and forms alike on each side.. other than that really love the colors it fits it good and perhaps some shadow on some parts would make it pop more and some darker colors on the light red part to get that dark feel to it well thats my revive
hope youwill continue your work and keep practicing and keep on painting your art cuse they are really good but they could look better if you work on some things like shading, colors and some ligtning efects would be cool too
well great work too you i lift my hat and say godbye and thank you for a nice piece of art here on newgrounds =)