A Minecraft skin of E-91.

E-91 Lady Ninja appears in the show Sonic X and made her only appearence in the seventeenth episode "The Adventures of Knuckles and Hawk", where she is seen trying to get the Red Chaos Emerald for Dr. Eggman.  She has a variety of weaponry, such as shurikens, a kite glider and flaps under her arms for gliding, a weight on a chain that can increase in size, and an electrocution net mounted in her palms.

E-91 Lady Ninja is owned by Sonic X/Sega