Let’s make an animation of a dancing man—something catchy yet simple enough to not require much drawing skill and to fit the small format of the animation (and this brief tutorial). Our hero’s claim to fame will be in his movements, so we don’t need to make his countenance too sophisticated. Something as primitive as this stick figure will do:
It is made of three simple paths (hands, legs, and body) and one ellipse (head). Use the Pen tool (14.1 The Pen Tool) with 
to draw horizontal/vertical straight lines; then use the Ellipse tool (11.4 Ellipses) to create the head. Then, to facilitate interpolation, do Path ▸ Combine on the body and limbs so they become one path, and use 
-click in the Node tool (12.5.3 Deleting and Creating Nodes) to add nodes in his elbow and knee joints.