CB Chara Nagai Go World is an original video animation based in the works of Go Nagai. It was originally released from February 21, 1991 to June 27, 1991 in three episodes. Following the same concept, a oneshot manga by Nagai was released in 1992.
The OVA was also released in Italy under the name Il pazzo mondo di Go Nagai.
Various characters from Go Nagai works including Devil Man, Mazinger, and Violence Jack, become trapped in a parody world where they all be come super deformed. They get trapped in this mishmash, fighting each other and are trying to figure a way back to their own world.