Jiren also referred to as "Jiren the Gray" or "Ugiriar" is an extraordinary powerful mortal, he's the strongest warrior in Universe 11, and his power equals or even surpasses that of a God of Destruction. He participated in the Tournament of Power with the purpose of obtaining a wish from the Super Dragon Balls. Jiren often operated as a solo fighter, not trusting anyone due to his past, believing that strength was the only thing that mattered. However, after his defeat at the hands of Team Universe 7 during the finale of the Tournament of Power, Jiren began to have a change of heart and decided to start trusting others. The strongest adversary ever faced by Son Goku in the entirety of Dragon Ball's history, he is a mirror image of Goku. He is also the arch-rival of Android 17.