Debo Hyogakki (デーボ・ヒョーガッキ Dēbo Hyōgakki) is an Impact winter-themed Debo Monster of the group, who is revived by Deboss himself, armed with giant icicle-like claws and ice skate blades on his feet. Armed with his TsuraLauncher (ツラランチャー Tsuraranchā) attack, Debo Hyogakki was the one of Debo Monsters who killed off the dinosaurs, and as such, proclaims himself to be Deboss' greatest creation. Thawed out, Debo Hyogakki is the first of the Debo Monsters sent to attack humanity, but got destroyed by Kyoryu Red and Gabutyra.