Connect an upside-down U-shape to a curved line with curled edges for the helmet. Form the tree limbs and roots with V-shapes and curved lines. For the arm, attach one side of a V-shape with outward curving edges to a U-shape lying underneath it.
Use two short lines for the wrist. Form the hand with a U-shape lying on its side. Draw curved lines and L-shapes for the legs. Add parallel lines for the ankles. Sketch ovals with slightly pointed ends for the feet.