They are all really really cool, I love the 1 and 4 very much too, with a slight preference for the 4. I love the 2 as wel, but I'm a bit afraid the design look a bit more confused due to the distance.
Here is the first step, i'm focusing on the face that is the focal point and the most important, i think it's good but i don't know, if any of you have some advices, free to tell me