Glitz and Glam are both slim, faded daphne blue-skinned demons with fish-like features; such as head fins similar to a lionfish and large fin-like wings. They also sport black-tipped horns on top of their head.

Both sisters sport cyan-blue eyes with deep grayish-blue sclera and slit pupils, as well as long extravagant fin-like hair fitted into long high-ponytails colored in multiple shades of teal. They also have black lips with a black spot at each end of their mouth and sharp teeth inside, as well as white upper eyelids and dark marks across each eye.

Glitz's bangs sport a spiky appearance colored in a bright teal with dark teal edges and teal-green stripes. Her ponytail is colored in a bright teal with a dark teal stripe running across it, three teal-green spots and dark teal edges, as well as a shade of dark teal interior.

Her eyes possesses long thick eyelashes which resemble bright teal fins with dark teal edges.

Glitz wears a deep teal crop-top that sports a small cyan ball on the front and long sleeves; her left sleeve having both cyan trim and three cyan diamonds on it. Her high-waisted miniskirt is seafoam-green and dark teal in a triangle-like pattern, while her thigh-highs are deep teal and asymmetric, with the left having a seafoam-green stripe and the right having three seafoam-green diamonds, and both having a cyan ball on each foot. She also wears a deep teal choker and deep teal fingerless gloves.

Glitz and Glam sport sassy and prideful personalities, as seen when they talk down to Fizzarolli in their debut episode. They believe themselves to be wholly superior to him and presumably the other contestants in the Clown Pageant.

Ultimately, their attitudes cause in-fighting between the two, showing that their relationship isn't perfect. Though they are seen to always be together and often are seen holding hands and smiling at each other which shows that despite them having fights they are still very close.

There seems to be a noticeable difference in their personalities, with Glitz having a more energetic and bubbly personality as she is often seen smiling or laughing, while Glam has a more aloof and measured personality. Additionally, Glitz seems more willing to use her sex appeal, having no problem flashing the crowd during their song.

Acrobatics - They are shown to be talented with acrobatics, as shown when they are on a tight rope.
Juggling - Glitz and Glam are shown being able to juggle, while on a tight rope, upside-down, and using their feet.
Balloon animal-making - They make balloon animals quickly and easily, as shown when they made a big balloon crown.
Musical talent - Glitz and Glam are shown to have talent for singing, such as when they performed their song during the finals of Mammon's annual clown pageant.
Rapping - Glitz is capable of rapping, as seen during her solo during "Klown Bitch".
Synchronization - The twins have shown to be able to move in synchronization, which they can do without effort.