So you know Uta’s last birthday art…

and how he’s covering his right eye, as if indicating that his only kakugan is on the left side?
Well, what if he was the second OEG of the timeline instead of the first?
The first OEG (the Nagaraj, the One Eyed Washuu) was this guy…



but as explained twice in the last two chapters, he apparently didn’t escape his Kakuja so he could be very old and trapped in the 24th ward.
Meanwhile, Kaneki in ch121 and Nishiki told us in ch128 about a second OEG who threatened the CCG and led to V’s creation…


…and as you can see, his left eye is emphasized on. So what if the Uta we know is the second OEG who “was a hero of ghouls who led the CCG to destruction”?
As to whom he would be to have a Washuu kakuhou (special kakuhou with cloning abilities?) and look like the One Eyed Washuu…

how about a rare hybrid (i.e natural OEG, like Eto) born in the sunlit garden?
Uta being responsible for V’s creation because he raised havoc around 50 years ago would also explain this:

since Roma was sent to prison basically around 20 years ago (and they apparently knew each other from before) and since she said that she knew the “king of the underground”.

For the record though, at this point, this title might refer to either of these two OEGs, since both were apparently driven underground:

…And in fact, Matsuri wouldn’t be against doing the same to Kaneki:

Finally, Uta being the second OEG would even go with @kingkishou‘s theory that Uta somehow passed on the OEK title to Arima at the time of the Clowns’ annihilation and it also allows me to introduce one of my untold crack theories…

…which is that the reason Uta is the only one who kept his mask on during ch98 was because he didn’t want to be recognized by Kaiko from V (since V defeated him 50~ years ago).
TL;DR Uta is probably a (natural) OEG if just because…


…and several birthday arts that imply he only has one Kakugan.
However, considering that the One Eyed Washuu’s kakugan was on the right side while Uta’s might be on the left (+ he doesn’t have mole), maybe Uta is another OEG from the Washuu family, except that he came into the picture half a century after the first one.
In other words he’s the OEG Nishiki talked about in ch128.