Draw a semi-circle with a curve on the right hand side.
Draw a curved nose and an oval for the end of the nose with a straight line down the bottom curved line.
Square off the bottom of the drawing.
Add in the eyes, legs and lines on the bottom of his body.
Use the yellow and green colouring pencils to bring the drawing to life.
Outline the drawing with a black colouring pencil.
Here is a pop-art version I drew. You could also try adding a platform below the doodle jump character to make the drawing look even better.