Terry Fator returned to Late Show with David Letterman on Thursday night’s program, and it wasn’t even Ventriloquist Week!

Fator has headlined The Mirage on the Las Vegas Strip since winning America’s Got Talent in its second season. What sets Fator apart from whatever you’re thinking of ventriloquists is that he uses his dummy characters to do a second thing — singing, impersonations, what-have-you. Here, Winston the Impersonating Turtle announces his bid for Broadway and “Phantom of the Opera.” Another dummy sings Cher. Or was that chair?

Roll the clip.