The closest thing to Kemba Walker since Kemba Walker has probably been Shabazz. I know I'm saying that just because they're UConn guys, but I can't think of anybody else who resemble them.
Adams is a little different. You could see him playing at Kentucky or Kansas because of his size, whereas the other three guys weren't recruited by any of the blue bloods, IIRC (not sure on Kemba, but I don't think Duke, UK, or UNC targeted him).
Closest non-UConn guy to Kemba Walker in the last few years has probably been, I don't know, Russ Smith? Obviously there have been stud big men like Davis and Towns, but they don't fit the mold of ball-dominant, vocal leaders. Tyler Ulis and Kris Dunn seemed to be that sort of guy last year. Hield was a different type of player.
Frank Mason and Josh Hart are the closest, I think, to those guys this season, but they're both on great teams. Evans of Oklahoma State would be a good bet if he had a better surrounding core.