In the timeline of Iron Blooded Orphan, or also known as Post Disaster Timeline, Gundam are made for the late stages of the Calamity War, there are only 72 of them, all name after the demons of the Ars Goetia. Currently only 8 of the demon were shown, they were known for have a mind of their own.

Naked Gundam Frame

The list of 72 Demons