Stelcropods are creatures of unknown origin which are very agile and are usually around ten centimetres tall. They have the ability to absorb various elements to use in combat.
Physically, they look like humans but are cartoony in appearance. Their heads are slightly bigger than they should be in proportion to their bodies, and they glow different colours upon releasing different kinds of energy.
The only known Stelcropod to date is Micros.