Nelliel Tu Oderschvank, often referred to as Nel, is a former Espada in the anime and manga series Bleach. Initially introduced as a childlike Arrancar with a playful personality, she later reveals her true form as a mature and powerful warrior. Nelliel was the former 3rd Espada, known for her strong sense of honor and compassion, which distinguishes her from most Arrancar. She plays a significant role in aiding Ichigo Kurosaki and his friends during their battles in Hueco Mundo.