Hester Ulrich, also known as Chanel #6, (Lea Michele) is the main antagonist of the first season.
She was born in 1995 as Hester Doyle, the daughter of Kappa pledge Sophia who died from blood loss after giving birth in the bathtub due to the neglect of the president and her minions.
She and Boone were raised in the mental asylum by a depressed Gigi who grieved for 3 years over her sister Amy's suicide but managed to improve and taught the children how to be serial killers so that they can conduct their 20 year long plan for revenge against Kappa Kappa Tau.
She stole an asylum patient's neck brace for her disguise.
She managed to get into Wallace University by Cathy Munsch who accepted her fake background high school information.
She refers to herself as the brains of the operation and Boone as the muscle and both poured hydrochloric acid in Melanie Dorkus's tanning spray in hopes that it would drive Chanel over the edge to be a scapegoat by vilifying her and she turned on the deep fryer machine that burnt Ms. Bean's face off.
In the pilot episode, she is nicknamed "Neckbrace" by Chanel Oberlin and witnessed the death of Ms. Bean and Tiffany "Deaf Taylor Swift".
She has an obsession with death which is shown when she gives several ways to dispose of Chanel #2's body.
In "Chainsaw" she snoops around Chanel's closet before being caught by the President who completely transforms her into Chanel #6 and removes the neck brace, horrifying #5.
Hester's plan comes to light when she announces her pregnancy to Chanel who is furious once she learns that it was fake and that Chad will still get her pregnant anyway.
Chanel snaps and pushes Hester, causing her to slip and fall down the Kappa staircase, breaking her neck, supposedly killing her, but she returns alive at the Radwell's Thanksgiving dinner where she is insulted by his family causing her and Chanel to make amends with one another after Chanel stands up to Chad and his family and both leave.
She participates in the Black Friday doorbuster but is trapped alongside the other Chanels but she, #3 and #5 escape while Chanel is shot in the chest.
Hester joins the plan to kill Dean Munsch.
In "The Final Girl(s)" she stabs herself with a high heel in the eye and blames it on Chanel #5 causing her to wear an eyepatch.
She manages to frame the Chanels for the Red Devil murders.

In 2016, she is the treasurer of Kappa House and while polishing a memorial for the kids who were killed, Cathy confronts Hester about her being the killer and threatens to turn her into the police.
Hester threatens Cathy in return with the cover up of Sophia Doyle back in 1995 and the murder of her ex-husband.
The Dean back out with her plan and chose to continue with their happy lives.

In season two, Hester later confesses her crimes and is incarcerated while the Chanels are acquitted at their retrial.
It is not known how the police found out that it was Hester.
The Chanels, Munch, and Hemphill visit Hester at the federal asylum, to get clues about the murders at the hospital and points out about knowing who the killer is.
However, she wants a transfer to the hospital and get discontinued beauty products in exchange for the information.
When another patient is killed by the Green Meanie, Denise transfers her to the hospital but Hester refuses to tell them who the killer is.
Hester wants to attend the Halloween party at the hospital but Cathy and Denise refuse.
However, after the Green Meanie attacks Denise she lets Hester out on Halloween to go to the party but Hester escapes and tries to kill Chanel by dressing up as Ivanka Trump.

Following Denise's death, Hester is reinstated into the Chanels.
After in the Season 2 finale, Hester steals all of Dean Munch's money and buys Blood Island with Dr. Brock as they both live.
They plan to kill tourists who crash their boat onto the island.
Hester Ulrich, also known as Chanel #6, (Lea Michele) is the main antagonist of the first season. She was born in 1995 as Hester Doyle, the daughter of Kappa pledge Sophia who died from blood loss after giving birth in the bathtub due to the neglect of the president and her minions. She and Boone were raised in the mental asylum by a depressed Gigi who grieved for 3 years over her sister Amy's suicide but managed to improve and taught the children how to be serial killers so that they can conduct their 20 year long plan for revenge against Kappa Kappa Tau. She stole an asylum patient's neck brace for her disguise. She managed to get into Wallace University by Cathy Munsch who accepted her fake background high school information. She refers to herself as the brains of the operation and Boone as the muscle and both poured hydrochloric acid in Melanie Dorkus's tanning spray in hopes that it would drive Chanel over the edge to be a scapegoat by vilifying her and she turned on the deep fryer machine that burnt Ms. Bean's face off. In the pilot episode, she is nicknamed "Neckbrace" by Chanel Oberlin and witnessed the death of Ms. Bean and Tiffany "Deaf Taylor Swift". She has an obsession with death which is shown when she gives several ways to dispose of Chanel #2's body. In "Chainsaw" she snoops around Chanel's closet before being caught by the President who completely transforms her into Chanel #6 and removes the neck brace, horrifying #5. Hester's plan comes to light when she announces her pregnancy to Chanel who is furious once she learns that it was fake and that Chad will still get her pregnant anyway. Chanel snaps and pushes Hester, causing her to slip and fall down the Kappa staircase, breaking her neck, supposedly killing her, but she returns alive at the Radwell's Thanksgiving dinner where she is insulted by his family causing her and Chanel to make amends with one another after Chanel stands up to Chad and his family and both leave. She participates in the Black Friday doorbuster but is trapped alongside the other Chanels but she, #3 and #5 escape while Chanel is shot in the chest. Hester joins the plan to kill Dean Munsch. In "The Final Girl(s)" she stabs herself with a high heel in the eye and blames it on Chanel #5 causing her to wear an eyepatch. She manages to frame the Chanels for the Red Devil murders.
In 2016, she is the treasurer of Kappa House and while polishing a memorial for the kids who were killed, Cathy confronts Hester about her being the killer and threatens to turn her into the police. Hester threatens Cathy in return with the cover up of Sophia Doyle back in 1995 and the murder of her ex-husband. The Dean back out with her plan and chose to continue with their happy lives.
In season two, Hester later confesses her crimes and is incarcerated while the Chanels are acquitted at their retrial. It is not known how the police found out that it was Hester. The Chanels, Munch, and Hemphill visit Hester at the federal asylum, to get clues about the murders at the hospital and points out about knowing who the killer is. However, she wants a transfer to the hospital and get discontinued beauty products in exchange for the information. When another patient is killed by the Green Meanie, Denise transfers her to the hospital but Hester refuses to tell them who the killer is. Hester wants to attend the Halloween party at the hospital but Cathy and Denise refuse. However, after the Green Meanie attacks Denise she lets Hester out on Halloween to go to the party but Hester escapes and tries to kill Chanel by dressing up as Ivanka Trump.
Following Denise's death, Hester is reinstated into the Chanels. After in the Season 2 finale, Hester steals all of Dean Munch's money and buys Blood Island with Dr. Brock as they both live. They plan to kill tourists who crash their boat onto the island.
List of Scream Queens characters