Kamen Rider Den-O
The Molech Imagin was sent by Gaoh to the year 2007 to prepare his plan. Molech set up a contract with Hiroshi to help him acquire a necklace so he could travel back in time. The Molech Imagin was destroyed by Den-O, but gave Gaoh and his other Imagin enough time to hijack the DenLiner.
Another Molech Imagin later appeared as part of the massive army of Imagin that invaded the present time as part of Kai's plan to ensure the future of the Imagin.
Kamen Rider Decade
The Molech Imagin was one of the Imagin that attempted to get Natsumi Hikari to tell them her wish while she was trapped in shifting dimensions during the destruction of the A.R. Worlds.
Kamen Rider Wizard
The Molech Imagin was one of the monsters in the world within the Magic Stone ruled by Amadum. He was part of the group of monsters that attempted to capture the boy and girl to obtain the Rider Rings they were carrying. However, Kamen Riders Wizard and Beast interfered and also tried to take the Rider Rings to prevent the monsters spilling out into the prime world. The boy then to summon Hibiki, Kiva, Den-O, Kuuga, Agito, and Blade to fight both the monsters and Wizard and Beast. When the children called to the sky for help, a mysterious Kamen Rider appeared and defeated all the monsters before introducing himself as Gaim.