Sadie Swenson (Billie Lourd) is Chanel #3 and the former second-in-command of the Chanels and one of Chanel Oberlin's minions.
She is a member of Kappa Kappa Tau, and seems to be Chanel's closest friend.
She reveals to Sam that she is the illegitimate daughter of infamous serial killer Charles Manson.
Additionally, she reveals to Sam that her last name is Swenson and that her step-father is a billionaire.
After becoming close to Sam, she begins to have confused feelings about her and tries to figure them out, but realizes that she is not a lesbian but is instead "in love with love".
In "Seven Minutes in Hell," it is revealed that Chanel #3 consistently wears earmuffs because a former boyfriend became obsessed with her ears.
After he was removed from Wallace, her ex-boyfriend vowed that if he ever saw her ears again, he would cut them off, causing her to develop a phobia of her ears being seen by him.

In "The Final Girl(s)," Chanel and the Chanels are framed for the Red Devil murder by Hester and are arrested.
When condemned to the asylum, Chanel #3 continues to demonstrate her pansexuality and begins a relationship with one of the female nurses, mentioning that she is ready to show her ears.

After Hester confessed to her crimes, Chanel #3, Chanel, and Chanel #5 are acquitted.
After graduating from Elmwood Community College, Chanel #3 works as a janitor at a sperm bank and lives in a run-down apartment with Chanel and Chanel #5 after the three of them were disowned by their wealthy parents.
They are approached by Cathy Munsch to work at the C.U.R.E. Institute Hospital.
The three of them accept the offer.
While working at the hospital, Chanel #3 starts to fall for Dr. Cassidy and finds out that he's the Green Meanie killer but she keeps it a secret because she wants him to stop killing people.
When she and him confront his mother Cassidy chooses his mother over Chanel #3.
He still refuses to kill her and eventually stops killing people to be with her but when Nurse Hoffel tries to escape and throws a machete at Chanel #3, Cassidy jumps in front of her and dies.
After Cassidy's death, Chanel #3 becomes an executive producer for Chanel's new show "Lovin The C".
Sadie Swenson (Billie Lourd) is Chanel #3 and the former second-in-command of the Chanels and one of Chanel Oberlin's minions. She is a member of Kappa Kappa Tau, and seems to be Chanel's closest friend. She reveals to Sam that she is the illegitimate daughter of infamous serial killer Charles Manson. Additionally, she reveals to Sam that her last name is Swenson and that her step-father is a billionaire. After becoming close to Sam, she begins to have confused feelings about her and tries to figure them out, but realizes that she is not a lesbian but is instead "in love with love". In "Seven Minutes in Hell," it is revealed that Chanel #3 consistently wears earmuffs because a former boyfriend became obsessed with her ears. After he was removed from Wallace, her ex-boyfriend vowed that if he ever saw her ears again, he would cut them off, causing her to develop a phobia of her ears being seen by him.
In "The Final Girl(s)," Chanel and the Chanels are framed for the Red Devil murder by Hester and are arrested. When condemned to the asylum, Chanel #3 continues to demonstrate her pansexuality and begins a relationship with one of the female nurses, mentioning that she is ready to show her ears.
After Hester confessed to her crimes, Chanel #3, Chanel, and Chanel #5 are acquitted. After graduating from Elmwood Community College, Chanel #3 works as a janitor at a sperm bank and lives in a run-down apartment with Chanel and Chanel #5 after the three of them were disowned by their wealthy parents. They are approached by Cathy Munsch to work at the C.U.R.E. Institute Hospital. The three of them accept the offer. While working at the hospital, Chanel #3 starts to fall for Dr. Cassidy and finds out that he's the Green Meanie killer but she keeps it a secret because she wants him to stop killing people. When she and him confront his mother Cassidy chooses his mother over Chanel #3. He still refuses to kill her and eventually stops killing people to be with her but when Nurse Hoffel tries to escape and throws a machete at Chanel #3, Cassidy jumps in front of her and dies. After Cassidy's death, Chanel #3 becomes an executive producer for Chanel's new show "Lovin The C".
List of Scream Queens characters