Mazzy first appeared in "L is for Love", where she gets on the bus and waves goodbye at Sam. At the end of the episode, she says goodbye to Sam.
In "Friendzy", she was one of Luna's guests to be invited for special privileges.
Mazzy is a thin girl, who has plum hair that conceals her eyes, and purple lipstick. She wears a black & white striped shirt, light seafoam jacket, dark gray skirt, white stockings, and dark teal sneakers.
Sully first appeared in "L is for Love", along with Mazzy and Sam.
Sully is a slim teenage boy with short brown hair. He wears white circular earrings, an iron chain necklace with an iron padlock, light purple shirt, black leather jacket, blue jeans and dark purple boots.
The "I'm With the Band" story of graphic novel "The Struggle is Real" revealed Mazzy and Sully's first names.