How to draw cartoon merfolk
Start with the shapes and guides for your head and body. Once you are done, draw the guidelines for the limbs and the face.
You can start by drawing the profile view. You can also add details to the ear.
The frill top, or fin, for the head should be drawn. You can also color the hair. You can also add detail and definition to your fin.
Next, draw the shape of your neck. Draw the breasts if you’re making a male. Make sure to also add pointed frills at the elbows if you’re making a female.
Continue the flow to your torso, then draw in some of back end of mermaid. Finally, add frills to the tail.
Finish the tail of the mermaid and draw the fin at bottom. This is a flare-like style. You can add details to the tail.
Draw the other side and you are done.
The last step is to draw the frills along the neck and back.
Now, here is the line art.