How to draw a killer whale (orca) with pencil step-by-step tutorial. Step 1. Outline the shapes of the killer whale's body and tail. Step 2. Add an oval outlining the head of the killer whale. Outline its tail and fins. Step 3. Add details to the orca's drawing: mouth and tail fins. Step 5. Add the lines to separate the white and black parts of the orca's body. Step 6. Continue hatching the body of the killer whale.