|A small blue beetle-like creature with a round body, two thick arms, two thick legs, a purple mark on his stomach, two large wings on his back, a round face with large black eyes, a little mouth, and two antennae.|
Was captured by Gantu but was rescued in "Snafu."
Speaking the password "'ohana" reverses Amnesio's memory-loss effects.
In the anime Stitch!, it is revealed that Amnesio keeps the memories he stole in egg-like capsules which are hidden in a pouch under his wings. Another way to restore his victims memories is for them to consume the right capsule, of which only Amnesio is capable of differentiating.