Karakuridôji Ultimo(機巧童子ULTIMOKarakuri Dōji Urutimo, literally, "Mechanical Boy Ultimo")referred to as Ultimo is a Japanese manga series created by Hiroyuki Takei and Stan Lee (and his production company Pow Entertainment). The plot of the story depicts a conflict between good and evil, implicated through the Karakuri Dôji created by the character Dr. Dunstan.