|Real Name||Kyodai Ken|
|Powers and abilities||None|
Kyodai Ken was the only student of Sensei Yoru's that could constantly defeat Bruce Wayne. One night Bruce cought him trying to steal a seven hundred year old sword and the two started to fight. However, they were stopped by Sensei Yoru who threw Ken out of his dojo.
Future EditYears later Ken returned as a ninja and began to sabatoge Wayne Enterprises to get revenge on Bruce Wayne. Batman was able to defeat him.