First of all draw a circle.
Now draw these lines it'll help you to locate the area to draw eyes, nose, and mouth.
Now start drawing His face beneath the circle.
Now draw eyes. Todoroki has small and Sharp eyes.
Now Draw Nose and mouth. Draw his mouth at the end of the circle.
Now start drawing his hair as you can see in the picture above. He has rough looking hair. Hanging down from both side of the eyes and between the eyes.
Now draw his ears and this scar on his left eye.