User blog comment:ZSomji16/The Flash (Season 4), Arrow (Season 6), Legends (Season 3), and Supergirl (Season 3) Villains and Big bads/@comment-24152851-20170327122115/@comment-27700324-20170329051338

Trigon can possess people so yeah, that works. However he needs to have his victims open up those two extra eyes like he always does to people.