the cristal warrior of the z fighters:jason is from an race of cristal warrios who were wipe out by frieza but he manage to escape as he end up an earth who live his life an new planet as he join the z fighters while olso desire to kill frieza
{as for the cristal warrior yeah it exist from the promotional anime dragon ball heroes}
the rouge one:sub zero was an member of the same race as frieza and king cold but he was diferent he want to become the strongest of the universe soo he goes planet after planet face strong fighers until he hear the world frieza who was plan to defeat was kill by the legedary super saiyan sub zero know this and an fear the super saiyan mild go after him for revenge he goes to planet earth to face the super saiyan
the saiyan of ydrait{sorry if spell wrong}:an saiyan name jason arrive to planet yeidrat as a baby and since then he was train by the yeidrat one day he find an space pod with an infure saiyan..that is son goku after the saiyan from eath recover and explain anything jason was curious he ask goku if he can go to earth as the saiyan accept now jason is gonnad have new advetures
the rouge devil:jason was an devil who was tire an the war among the timelines soo an move he fake his fate and escape to another timeline away from the war and arrive to universe 7{canon}and live an earth when he meet the z figthers and actually enjoy as he will have new advetures
the son of the bio android:jason olso know as android 666 son of android 21 he was work an machine to arrive to universe 7 it work but the machine macfuction send to universe 7 without way back as he meet the z fighters now he have to face new challanges as well find an way to go back to his own world
the son of the time kaioshi:jason who was an son of kaishi was face an powerful opponet an void as he have to use all he have to defeat it and destroy but with the cost the void break send jason to universe 7 earth and worst he lost most of his time powers now he have to adapt as he join the z fighters an new advetures
the angel of the z fighters:jason was an angel wonder on his own after some events he was bored soo he use his staff to look an interesting place he find universe 7 planet earth and see all the vents jason see the it find it interesting and head toward earth ready for advetures
{i got theses ideas after watch an lot of what if stories an youtube}
