Agetha has dark cyan eyes with cyan sclera. Their skin is tinted purple, with the upper half of their face being obscured. They have shoulder-length brown hair, with red, yellow, and blue segments. They sport a long-sleeved black turtleneck sweater with red, yellow, and blue striped sleeves, accessorized with black gloves.
To finish their attire, they wear brown shorts, including red, yellow, and blue striped legwarmers, accompanied by black shoes. Agetha sometimes wears a noose with a cut end.