Agetha has purple eyes with cyan sclera. Their skin is purple, and the upper half of their face is obscured. They have long, shoulder-length brown hair with red, yellow, and blue patches. They wear a long-sleeved black turtleneck sweater with red, yellow, and blue striped sleeves, paired with black gloves. To complete the outfit, they wear brown shorts with red, yellow, and blue striped tights, paired with black shoes. Agetha sometimes wears a cut-ended rope around their neck, tied into a noose. Their personalities are quite lively, sometimes even a little crazy. Agetha is a version of a computer virus.

Agetha has a very distinctive appearance, with fair skin and rosy cheeks. They have short, messy dark-purple hair decorated with multicolored flower accessories and a curved square-shaped hairpiece. They wear a blue, yellow, and red striped turtleneck, along with black overalls featuring a pocket in the center. They have a smiley-face button on the right strap of their overalls. Their outfit is completed with red, blue, and yellow striped tights, paired with black shoes. They also carry a slingshot in their right hand. This Agetha's personality is more reserved but also somewhat amiable. They are the human version of the other Agetha.