In Read Or Die, Gennai uses his elekiter as a very high powered destructive weapon that he uses to destroy the White House and eradicate an entire fleet of combat helicopters.
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In the 30th episode of Demashita! Powerpuff Girls Z (ガールズとカレ!, "Girls and Him!"), a character by the name of Hiraga Kennai is responsible for the creation of a primitive form of Chemical Z and the Ōedo Chakichaki Musume.