Future Android 16 (Nikon23)

Future Android 16 is the Future counterpart of Android 16 and the sixteenth Android creation maded by Dr. Gero. like his present counterpart he was designed to serve Dr. Gero's vendetta against Goku for defeating the Red Ribbon Army, however he is deemed unfit for activation. he is found by Future Trunks and becomes one of the new generation of Z Fighters in this timeline appearing in Dragon Ball SF.

Another Road:
shortly after the defeat of Future Cell, Future Trunks finds Dr. Gero's secret lab and finds Android 16 and Android 19 and enlist them as allies to Earth, thus creating the this alternative version of the Z Fighters.

prior to the debut of the 25th World Martial Arts Tournament, Future Android 16 decides to compete along with his friends, however after Future Supreme Kai reveals Future Babidi's plot to revive the Future Majin Buu, Android 16 prepare hiself against this threat with them.