Nemuina

Nemuinas are a fairy-like species from the planet Nemunimos IV.

Appearance
Nemuinas are short, blue-skinned fairy-like aliens with purple pixie-like wings, light purple hair, three-fingered hands, two-toed feet, colorful eyes with feminine eyelashes, and pink markings on their cheeks and chins.

According to Derrick J. Wyatt, female Nemuinas look similar to males.

Powers and Abilities
Nemuinas are capable of flight, and possesses enhanced speed and agility thanks to their fairy-like wings.

Nemuinas can release a green dust that makes others fall asleep.

Nemuinas can enter and examine the dreams of beings affected by their sleeping dust, which can be used as a form of interrogation or extracting information. Similarly, they can manipulate a victim's dreams, causing them to have nightmares instead.

Weaknesses
A Nemunia's abilities are be useless against robots because they can neither fall asleep nor have dreams.

Predator
According to Wyatt, Nemuinas have a natural predator.

Omnitrix Transformation
The Omnitrix's Nemuina representative is named Pesky Dust, who first appeared in the Omniverse episode "Outbreak" when Blukic and Driba tried to repair the Omnitrix. Pesky Dust solely appears in Omniverse.

The Ben Tennyson of Dimension 23 has an equivalent of Pesky Dust named Nighty Knight, who first appeared in the Omniverse episode "It's a Mad, Mad, Mad Ben World: Part 1".

Etymology
The name "Nemuina" means "I feel sleepy" in Japanese.