Pesky Dust is a short, fairy-like alien with blue skin. He has purple fairy-like wings and blue hair that sticks straight up. Pesky Dust wears a green dress-like outfit with black zigzags. He has two, three-fingered hands and white gloves, and his feet have two toes on them. His eyes are green with feminine eyelashes, and has pink markings on his cheeks and chin. He speaks with a trilling voice. Pesky Dust wears the Omnitrix symbol on his chest.