Wurmple's body is coloured red at the top and a cream colour on the stomach. Its eyes are large and yellow with dark pupils. Wurmple has a sharp yellow stinger on its head and two, also yellow in coloration, on its rear. Behind its forehead spike is a tall, erect, red spine with a similar, if smaller spine behind that. Wurmple has small spikes running down the top portions of its body and five pairs of stubby white limbs.