User blog comment:B214/Volume 21 info & spoilers/@comment-82.199.215.185-20160522174633/@comment-3435913-20160522232320

Ophis' titles are the "Ouroboros Dragon" and the "Infinity Dragon God" (無限の龍神, mugen no ryuujin)

Great Red's titles are the "Apocalypse Dragon" and the "True Red Dragon God Emperor" (真なる赤龍神帝, shinn naru sekiryuushintei)