Canon wise I have never seen danzo come close to Shisui. Now if you're talking that filler bull shit sure.Danzo solos your fav without using any chakra/effort.
OT:
I'd say the facial features part is a stretch.. Because come on let's face it there is no resemblance whatsoever.. But all that other stuff is plausible.
Their noses are identical.Could y'all please dragging my fav through the mud. It's not him
Don't you think that his child acts a bit weird to be a 100% human being? The way he stares and the way he talks.it's 100% shisui.. shin is an actual uchiha child of shisui, he's the only way except sasuke for bearing an uchiha child and his eyes are stitched in. Not really able to tell why he would do this, but that was the same with obito back in the day.
Fodder Oro has a bad track record with Uchihas. he ain't controlling Shisui.Or Kishi could pull out the Yahiko/Nagato thing and the hooded man is just Shisui being remotely controlled by Orochimaru from all the way in his hideout.
Shisui could've been brainwashed into hating sasuke.Grudge against Sasuke for killing Itachi. Itachi was a loving and caring soul, don't forget highly educated. I'm sure he touched souls all over the world.
Orochimaru has a track record of outliving Uchihas and still being relevant while the others outlive their canonical use.Fodder Oro has a bad track record with Uchihas. he ain't controlling Shisui.
Oohhhh burnDanzo solos your fav without using any chakra/effort.