Many on Twitter are asking who the twin brothers are flanking Rick Perry as he gave his official 2016 presidential campaign kickoff speech.

They are, of course, Navy SEAL twin brothers Marcus and Morgan Luttrell. Marcus — also of course — is the author of the best-selling book “Lone Survivor” that was made into a hit movie of the same name starring Mark Wahlberg:

Pretty awesome bookends to have at your announcement!

But let’s not forget that the DNC has some bookends of their own, Julian and Joaquín Castro:

Yeah, not quite the same is it?