Koenma - Kakugo no Mafukan! Yu yu hakusho : Season 1 Episode 87

Shinobu Sensui - or whomever it is everyone's been dealing with - reveals he is only one of seven split-personalities, each with their own fighting capabilities. As Yusuke's bullet-ridden body is just about to be finished off by Kazuya, Koenma finally arrives, ready to whip out his Mafukan on Shinobu.