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.

Glam's bangs sport a long straight appearance colored in a bright teal with a slightly darker shaded stripe, three dark teal spots and dark teal interior. Her ponytail is colored in a dark teal with bright teal edges and two light teal star sparkles, as well as a shade of dark teal interior.

Her eyes possesses long thick eyelashes that are entirely black, with small dots adorning each end.

Glam wears a high-collared teal-green crop-top that sports an upside-down heart-shaped cutout and long deep teal sleeves; her right sleeve having three cyan circles on it while her left is detached from the top. Around her waist is a seafoam-green miniskirt resembling a jesters collar with multiple triangular appendages with a ball on each end, while her tights underneath are deep teal and asymmetric, with the right having a seafoam-green stripe and the left having three seafoam-green diamonds, and both having a cyan ball on each foot. She also wears bright teal gloves; the left under her sleeve and the right over her sleeve.

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.