Draw a long oval for the body
Add a smaller oval or rounded shape for the head
Connect the head and body with a thick neck
Draw a long tail extending from the body
Add four short legs with clawed feet
Sketch the snout with a pointed shape
Draw the eyes on top of the head
Add nostrils near the tip of the snout
Draw the mouth line along the snout
Add sharp teeth along the open mouth
Outline the body with a rough, scaly shape
Draw scale patterns along the back and tail
Add lines for joints in the legs
Refine the feet and claws
Erase extra guide lines
Darken the final outline
Add shading and texture to finish