Future Master Roshi Character Facts

Future Master Roshi is an alternate timeline counterpart of Master Roshi who survived in both Future Trunks' and Cell's timeline.
Future Master Roshi is hidden in a submarine with Future Turtle, Future Oolong and Future Puar. He was sure he could go out and challenge Future Android 17 and Future Android 18 but failed to do so, as Oolong, Puar and Turtle begged him not to go.