Roman is Rex Goodwin's brother. Roman used be a Signer, but he is now a Dark Signer
Roman Goodwin was chosen by the Crimson dragon to be one of the signers and bore the sign of the dragon's head. He would become one of Professor Fudo's assistants in the construction of the first Momentum. However, Professor Fudo wished to stop work on it because it seemed to be causing disasters in Neo Domino City but Roman wished to continue research. He would travel to the Nazca plains because he had learned that similar disasters to the ones that were occurring in Neo Domino City were occurring there as well. When he arrived, he met a man from Yliaster who seemed to know that he wished to continue working on Momentum and told him that he should do so, no matter what he has to do - even if it means getting rid of Professor Fudo. Roman was told that because of the sign on his left arm, he was already chosen by fate and that the war between the
The dragon sign on Roman's arm.
signers and dark signers which occurs every 5000 years was really going to happen and that many secrets l
ied beyond Momentum's light. When Roman returned to Neo Domino City, he would go to Momentum and reverse it, causing it to shoot beams of light into his eyes and showing him all sorts of visions of the Earthbound Gods and the Crimson Dragon and he would come to realize that Momentum would help restart the war between the signe
Roman giving his severed arm to his brother.
rs and dark signers. Later on, Roman would be put in charge of research on momentum because a lot of money had been invested into it's development and Professor Fudo ending it would have put it all to waste. Soon, Roman would sever his left arm which bore the dragon sign and put it into a container and gave it to his brother. He told his brother that he had become the vessel for the Crimson Dragon and an Earthbound God and that he had ultimately chosen the path of the wicked Earthbound God. He then told him to find people called "Signers" and to assemble them together to defeat him, no matter how many years it takes. Roman then caused Momentum to go out of control, killing him and reviving him as a dark signer while causing the zero reverse incident which would split the Satellite from Neo Domino City.