A metahuman with the power to possess people he makes eye-contact with, Joe was rendered mute after one of his dad’s enemy’s cut his throat to spite the mercenary. Since then Joe seems to vary back and forth between beign a hero and a villain depending upon who is writing him.
The appearance in Arrow will mark the first live-action appearance of the character, and the third overall following an appearance in the Teen Titans TV show way back when…
In addition to a cameo in the recant Teen Titans: Judas Contract aniamted movie.
Interestingly, Joe’s sister, the fellow Titan Rose Wilson aka Ravager, has also appeared in several shows and movies, such as in Teen Titans Go, but the pair have yet to appear in the same thing at the same time.