You can navigate to your Duda profile settings to change your lastnames, as shown below.

Alex Quinn

Bill Bailey

Brandon Thorne

Chris Allen

Enzo Ayala

Ivan Martinez

Ivy Allen 

Jed Hardy

Jerry Garcia

Joe Vergara

John Rice

Joshua Beltran

Joy Florez

Ken Owens

Kevin

Lawrence Santos

Maggie Tate

Martin Rodriguez

May Agnes

Mina Davidson

Nick Fernandez

Nico Mason

Patrick Vargas 

Ralph Sinarillos

Reid Dillinger

Riza Lewis

Russell Bencito

Ryan Daniels