Yapool (ヤプール Yapūru?) is an evil entity and the main antagonist from the Ultraman Ace TV series. He has been defeated many times but proves to be immortal because of his eternal resentment for Ultras. He also tends to avoid death due to his cunning and intelligence, and use of alternate forms and his creations, the Choju, to avoid detection. * Subtitle: Alternate Dimension Man (異次元人 I Jigen Jin?) * Vakishim Subtitle: One Horn Super-beast (一角超獣 Ikkaku Chōjū?) * Giant Subtitle: Alternate Dimension Superman (異次元超人 I Jigen Chōjin?)