Four Chosen Character Concepts

I've made the decision about the four characters that I'll be working on for this project. The following four characters that I've chose are:

1. Hybrid Creature Character.

2. Robot Character.

3. Superhero Character.

4. Monster Warlord Character.

I now need to work on the detailed drawings for each character in my sketchbook #2 before I can work on the color and texture trials in either my sketchbook or in Photoshop.