Drawing a body builder

Start by creating an ellipse using elliptical shape tool. Apply stroke layer style.

Enable add to shape area form the top bar.

Create an ellipse using elliptical shape tool. Press Ctrl+T. Right click the layer and select warp. Adjust nodes to get the shape as shown.
Create an ellipse using elliptical shape tool. Press Ctrl+T. Right click the layer and select warp. Adjust nodes to get the shape as shown.
Create hair using pen tool.
Create an ellipse for the ear using elliptical shape tool.

Create a few circles for the eyes using elliptical shape tool.

Create a rectangle for the mouth using rectangular shape tool. Press Ctrl+T. Right click the layer and select warp. Adjust nodes to get the shape as shown.
 Create a circle using elliptical shape tool. Move this layer below all the layers in layer order in layer palette.

 

Create an ellipse using elliptical shape tool.
Enable add to shape area form the top bar. Create a few ellipses using elliptical shape tool to create biceps.
Create hand using pen tool.
Similarly create hand for the other side.
Create a rectangle using rectangular shape tool. Press Ctrl+T. Right click the layer and select warp. Adjust nodes to get shape as shown.
Enable add to shape area from the top bar. Create a rectangle using rectangular shape tool. Press Ctrl+T. Right click the layer sand select warp. Adjust nodes to get the shape as shown.
Create lower half of the vest using pen tool.
Create a rectangle for the belt using rectangular shape tool. Press Ctrl+T. Right click the layer and select warp. Adjust nodes to get the shape as shown.
Create an ellipse for the thigh using elliptical shape tool. Enable add to shape area form the top bar. Create another ellipse using elliptical shape tool.
Create a rectangle using rectangular shape tool. Press Ctrl+T. Right click the layer and select warp. Adjust nodes to get the shape as shown.
Enable add to shape area form the top bar. Create two ellipses using elliptical shape tool to create the boot.
Repeat the above steps to create leg for the other side.

Duplicate all the layers and merge. Enable lock transparent pixels from layer palette. Press Ctrl+T. Right click the layer and select distort. Fill it with black color. Adjust nodes to create a perspective shadow. Reduce the opacity to 50%.