AsiDeci's name comes from the Australian hard rock band AC/DC
AsiDeci is a cephalopod controlling a robotic suit.
After being defeated by Tefnut when he tried to evade Earth using his mechanical kaijus Tusk and Echoes, he created an armor to let him fight. After, Echoes and Tusk were defeated he appeared to defeat a weakened Atum and a weakened Tefnut, but was surprised by the RA HQ hacking his new armor and was easily defeated by Tefnut again.
- Tentacles: AsiDeci can choke his enemies with his tentacles and he also uses it to control his Power Armor;
- Power Armor: AsiDeci's Power Armor has the same strenght as Ultraman Tiga's Power Type and Ultraman Dyna's Strong Type.
- AsiDeci's design is based on cephalopods, the Ultraman Ginga S villain Alien Chibu, and his Chiburoids.
- AsiDeci's old design being based on the devil is also based on the fact that one of AC/DC's songs name is Highway to Hell.