Helsa is a demon with dark grey skin and long white hair with dark spots underneath, similar to that of a cephalopod's tentacles. Her eyes have dark teal sclerae and neon green irises with slit pupils. The right side of her face is covered with bangs from her hair.

She has sharp neon green teeth and black lips. She also wears a hot pink coat with neon green fur collar, cuffs and buttons and a dark grey pencil skirt with matching neon green fur trim.

When she is enraged, as shown when Charlie c