Grell Sutcliff

Grelle is an individual "covered in red."[3] Grelle has long dark-red hair, shark-like teeth, and red-framed glasses accessorized with a chain with skulls. Like other Grim Reapers, Grelle has chartreuse phosphorescent eyes.

Grelle's typical attire consists of a vest; gloves; a red-and white-striped bow around her neck; and red and black 4.33-inch (11-cm)[2] high-heeled ankle boots. Grelle also sports a red coat she took from Angelina Dalles after fatally wounding her; she often wear it slung off her shoulders with the sleeves rolled up to her elbows. Grelle is an outspoken, flamboyant individual who unreservedly expresses herself and her desires.[4] She possesses a strong predilection for the color red, which she believes can be used to achieve beauty.[4]

Combative, Grelle is quick to turn to violence to eliminate hindrances and has had numerous clashes with Sebastian Michaelis because of such an inclination.[5] She has little to no patience for those who are bogged down by her emotions, having ruthlessly slain partner-in-crime Angelina Dalles for hesitating to kill her nephew.[6]

At first, Grelle was dismissive of the principles of Grim Reapers, which includes staying neutral in human affairs, as evidenced by her unlawful partnership with Angelina. However, after a period of suspension, Grelle has come to respect said principles, enough to preach the importance of soul-reaping to fellow Grim Reaper Ronald Knox.[7] Nevertheless, due to her impulsive nature, she is still liable to transgress these principles, such as when she attempted to kill Aleister Chamber while ignoring Ronald's warning that killing humans is prohibited.[8]

Grelle is fond of incorporating double entendres and referencing plays and theatre in her speech; for instance, she described Angelina's death as a "falling of curtains"[9] and compared her relationship with Sebastian to Romeo and Juliet.[10]

When posing as Angelina's butler, Grelle was timid and ineffective at her job; she failed to properly prepare tea and got lost while driving a carriage.[11] When Angelina Dalles began murdering pregnant prostitutes as Jack the Ripper and consequently filling up the soul retrieval list, Grelle followed her and took an interest in her. She sympathized with her since she could relate to her troubles—the inability to give birth—and decided to assist her, defying the Grim Reaper code of neutrality. Grelle disguised herself as the Burnett family's butler to avoid suspicion.[12 Red Butler Arc

Grelle is with Angelina Dalles, her mistress, and Lau in Ciel Phantomhive's London townhouse, searching for tea.[13] She accompanies Ciel, Sebastian Michaelis, Lau, and Angelina while they gather information on Jack the Ripper.[14] She later attends Aleister Chamber's party with them, where she briefly leaves in order to commit another murder.[15]

Afterward, Grelle, in Mary Jane Kelly's house, brutally kills her. When Ciel and Sebastian enter the scene, Sebastian comments that it is an excessive murder as blood has splattered all over the floor. Grelle comes up with a feeble excuse for being there, despite being covered in the prostitute's blood. Challenged by Sebastian, Grelle discloses that she is a Grim Reaper. When asked why she has broken the Grim Reaper's code of neutrality, she replies that she is captivated by "a certain woman."[16][17]

105 Revelation Grelle reveals herself.

Grelle confronts Sebastian with her Death Scythe. She claims that her Death Scythe can slice through anything, and sadistically trifles with Sebastian, stating her desire to tear up his body. She adds that she loves the color red and enjoys using blood to do makeup for ugly women. Sebastian points out Grelle's violation of the Grim Reaper rules and deems her butler principles sickening, and Grelle remarks that, regardless, she remains the "butler of death."[18] Their battle continues, and Grelle inflicts a small slash on Sebastian's left arm, revealing a brief Cinematic Record of Sebastian's past and his first encounter with Ciel. Grelle explains the general purpose of a Cinematic Record, which is to replay memories for assessment by the Grim Reaper, and Sebastian dismisses it as a "spying activity."[19]

Grelle then has Sebastian pinned against the wall. However, when Ciel's life is endangered, Sebastian rushes to him, despite being injured.[20] She comments that Sebastian has commendable endurance, and orders Angelina to kill Ciel. When Angelina admits that she cannot kill Ciel, whom she considers to be her own son, Grelle kills Angelina. She calls Angelina an "ordinary woman" and complains that she has gone to great lengths to help her, only to be disappointed in the end. She removes the red coat from Angelina's corpse, proclaiming that Angelina is not fit to wear red.[21][22]

Circus Arc

In regard to the case involving the Noah's Ark Circus, the Grim Reapers are assigned various tasks. While William T. Spears and Ronald Knox are to collect the souls at Baron Kelvin's manor, Grelle, whose suspension period has recently ended, is responsible for collecting the souls at Phantomhive Manor—a mission she is excited about, as noted by Ronald.[26]