Flood
Paul and Tony
Blair
Keith and Aaron
Hernandez
Frank and Betty
Thomas
Frank and Bryce Dallas
Howard
Kevin and Joni
Mitchell
George and Jan
Brett? There’s a Jan Brett who is a children’s book illustrator, but I’m not sure how well-known she is.
If that was the correct answer, then:
George and Lauren
That’s the one. What? Don’t people know Hedgie? Or The Gingerbread Baby? Or The Mitten?
Anyway, Foster
Darrell and Cole
Porter
Joe and John
Not who I was thinking of, but okay. My last was kind of a reach - Sisler. Lauren Sisler is an ESPN reporter who covers college sports. Wasn’t sure if she was sufficiently notable.
That seems to happen multiple times in this game. See below…
Morgan
Frank and Betty (second time)
White
Not sure who John Morgan is, so that’s not who I was intending…
Joe and John (again 
)
Country singer
DiMaggio? Has it already been played?
Al and Dave
Um…Newman? Unser? Jones? All of those fit, but I had to Google each baseball player, so not sure if that’s the couplet you had in mind.
Tommy and Elton
John
Duke and Dee
Snider
Gaylord, Matthew, and Katy
ETA: ninja’d
No, none of them were who I had in mind.
Perry (only two names to an entry, please)
Boog and Anthony
Bah!
Powell.
Bob and Little Jack
Horner
Bob and Mel