|This article is about a/an monster in Battle Fever J.|
The Hyde Monster (ハイド怪人, Haido Kaijin) is the thirty-seventh of Egos' Monsters. He had a broadsword, could disguise himself as a human that could jump high, release mouth flames, and had a constricting tail. Hyde Robot also had a broadsword and mouth flames and could teleport.
- Hyde Monster were designed by character designer SYUFO.