Future Oolong Character Facts

Future Oolong is an alternate timeline version of Oolong. 
He was one of the unfortunate ones to witness the death of Future Goku in Age 766. In Age 767, the Androids killed Z Fighters with the exception of Future Gohan and Future Trunks. Along with Future Master Roshi, Future Puar and Future Turtle, Oolong now lives on board a submarine near Kame House