Madoka is a minor antagonist from the series Deadman Wonderland. As a child he was bullied and as a result developed a philosophy that as long as he suffers others will be happy, likely from seeing the joy his bullies felt. His father he lived with ended up dying during the mysterious Tokyo Earthquake and sometime after it, Madoka was taken to Deadman Wonderland as an inmate. He'd later be enlisted by it's director, Tamaki, as a test subject as part of the Forgeries who are comprised of inmates given artificial Branch of Sin meant to counter the Wretched Egg.

Madoka is a slender man with shoulder length blonde hair with strands at the sides curled like small horns. He often wears a thin black coat with yellow fur lining. He also wears a long matching skirt with a bell tied to it and black pants underneath. His arms are also bandaged which conceal his hands that have the nails torn off. His eyes are sharp and hazel in color.

As a Forgery he is granted an artificial Branch of Sin, able to manipulate his blood however his is infused with a toxin called "Snake" which can be deadly upon contact with others his particular Snake is called "Juushin Shinju" which changes in shape through his hands while also having the ability to affect the target's senses upon contact. "Hoyo No Tsume" can paralyze the victim upon contact with blood claws, "Sakanade No Kiba" can allow him to force the target to experience pain through power of suggestion such as them feeling sensations of being hit by a car, and "Shuen No Ago" sees Madoka forming a lions head out of blood over his hand but he was defeated before it's potential was seen.