Debo Akidamonne (デーボ・アキダモンネ Dēbo Akidamonne) is a Debo Monster themed after autumn and armed with the AkiaPestle (アキア杵 Akiakine, a pun that translates into "Autumn Autumn, right?") and the AchilleMortar (アキレ臼 Akireusu, a pun off of Achilles), created to serve Aigaron. His arsenal of attacks are: He has the ability to pull an opponent into a subdimension named the Autumn Zone (オータムゾーン Ōtamu Zōn), where his opponents would feel depressed. Though defeated by the seven Kyoryugers with the Victory/Maximum Zyudenchi combo, Debo Akidamonne is enlarged before being destroyed by Pteraiden-Oh Parasagun.