Ĭombative, Grelle is quick to turn to violence to eliminate hindrances and has had numerous clashes with Sebastian Michaelis because of such an inclination. She possesses a strong predilection for the color red, which she believes can be used to achieve beauty. Grelle is an outspoken, flamboyant individual who unreservedly expresses herself and her desires. When posing as Angelina Dalles's butler, Grelle had brown hair, which was tied with a red ribbon, and she dressed in plain black clothes. Grelle has had her Death Scythe modified to operate like a chainsaw, for she considers the average Death Scythe old-fashioned. 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'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) high-heeled ankle boots. Like other Grim Reapers, Grelle has chartreuse phosphorescent eyes. Grelle is an individual 'covered in red.' Grelle has long dark-red hair, shark-like teeth, and red-framed glasses accessorized with a chain with skulls.
