Witch Ninja Madam Spider

Witch Ninja Madam Spider (妖忍 クモ御前): A female ninja closely acquainted with Dokusai who can change between two different human forms (a "front" form and a "rear" form) or into a spider. She first appears in Episode 37. She uses weapons such as spider-shaped bombs and electric discharging spider-web and even has the magic powers to summon the souls of deceased World Ninjas into the living world. Her regular human form is known as her "front form", while the one she uses as a public disguise is her "rear form". She has a flirtatious, but respectful relationship with Dokusai.

Ninninger
An image depicting Jiraiya fighting Madam Spider's rear form is among those seen when looks up the legendary ninja in the  of .