Gligar Man may be a reference to Kamen Rider, a famous Japanese television live action show. Most notably these references include, the Gligar cycle which all Kamen Riders ride motorcycles, calling out GLIGAR JUMP before jumping off the tree, which all the riders finish their enemies with a rider jump and kick and of course hiding his secret identity from the public.
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Gligar Man is also probably referencing the american television superheroes, Batman and Spiderman,