Future Trunks (Unknown Timeline)

This Trunks came from an unknown timeline and visited Cell's timeline in order to defeat Future Frieza and Future King Cold. He presumably never returned to Cell's timeline after leaving and the Z Fighters there were killed by that timeline's Androids. He briefly appeared in the episode "His Name is Cell".

He was physically identical to Future Trunks during the Trunks Saga.

Techniques, weapons and transformations
 * Future Trunks' sword - This Trunks possessed a sword identical to the one wielded by Future Trunks.
 * High Strike - Utilized by Trunks in order to slice Future Frieza in half.
 * Super Saiyan - This version of Trunks was capable of transforming into a Super Saiyan, he utilized the form to battle Future Frieza and Future King Cold.