Delia is an evil alien woman who is in a partnership with Dr. Hämsterviel to get the Neo-PowerChip that is inside of Stitch. Delia altered a majority of Jumba's experiments, which had caused them to become physically stronger and evil, and Angel who is rescued by Stitch. Delia usually calls Hämsterviel the wrong name, such as Hämu Sama or Hämusta Sama, and then eventually punishing him with various explosions or robots (she even tickle tortured him in one episode). She is also the creator of the experiment Dark End, who is based on Stitch's DNA. Delia began the creation of Dark End at the start of the third season of the Stitch! anime and continued working on him/her until the second-to-last episode. After he/she was created, Delia then invades Earth and sends out Dark End to defeat Stitch. Afterwards, the Grand Councilwoman arrest Delia, Hämsterviel, Gantu and Reuben.