Proto Jikochuu (プロトジコチュー, Puroto Jikochū) (also known Proto Mercenare in the English dub Glitter Force Doki Doki), is the overarching antagonist of the anime series Doki Doki! Pretty Cure. He is an evil entity who embodies selfishness, sealed inside the Golden Crown ten millennia ago, but was released by the Trump King & promptly corrupted the latter into King Jikochuu.