Future Frieza

Future Freeza is the countepart of Freeza's altenative reality on the Trunks timeline, when Goku died of heart disease.

History
Future Freeza's life was similar to that of his present colleague Freeza, but nevertheless Future Freeza was killed by Son Goku along with his father, who while the current Freeza was killed by Trunks along with King Cold.

Shin Budokai- Another Road
After Future Freeza is ressurrected by Future Babidi and gets a considerable increase compared to a Super Saiyan 2. And due to revived, he becomes loyal to Future Babidi, and along with Future Cell and Future Dabura they become his servants, he fights against the more heroes ends up being defeated.