Darkling

The Darkling is a small creature typically comprised of dark matter.

=In fanon games=

In Pikmin 3: The Dweevil's Revenge
The Darkling is a small creature appearing in Pikmin 3: The Dweevil's Revenge. They are usually scarce but are often summoned by Dark Olimar during the fight against him. They are able to eat Pikmin and spit balls of sludge to slow them and leaders, and upon death, they melt away to reveal a small silver sphere worth.