Defrog (デフロッグ Defurogu?, 1-2): The first of Dr. Zora's monsters, it was sent to attack the city around the time the Justirisers are born.
Defrog 2


Though it overpowers the special defense forces, Defrog is no match for Riseross as it arrives on Earth as it is forced to retreat. But Defrog later returns to finisher off Glen after he defeats Zaurus, being destroyed by Riseross with Glen piloting it.

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