Denise Biellmann for the spin that is named for her. She may not have invented it, and lots of people do it, but I think it is Denise's signature move.
Daisuke: Cyber Swan, Blues for Klook
Michelle (hard to choose): Spirals; Rachmaninoff, Lyra Angelica, Tosca (at U.S. Nationals), Fields of Gold, gorgeous dresses
Sasha: beautiful positions; Dark Eyes SP, Romeo and Juliet LP
Yagudin: footwork; Winter SP, Man in the Iron Mask LP
Lambiel: Fleur Lambiel spin, headless spin, and spins, in general; Four Seasons (program and costume ), William Tell, Poeta
Arakawa: flexibility, Ina Bauer
Yulia: outstanding spins and flexibility; Schindler's List LP; angelic face (since we're including physical attributes, apparently)
Yuzuru: Ina Bauer, incredible jumps when he's on; Parisian Walkways and Romeo and Juliet (the first version); angelic face that would be a perfect match for Yulia
Daisuke: Cyber Swan, Blues for Klook
Michelle (hard to choose): Spirals; Rachmaninoff, Lyra Angelica, Tosca (at U.S. Nationals), Fields of Gold, gorgeous dresses
Sasha: beautiful positions; Dark Eyes SP, Romeo and Juliet LP
Yagudin: footwork; Winter SP, Man in the Iron Mask LP
Lambiel: Fleur Lambiel spin, headless spin, and spins, in general; Four Seasons (program and costume ), William Tell, Poeta
Arakawa: flexibility, Ina Bauer
Yulia: outstanding spins and flexibility; Schindler's List LP; angelic face (since we're including physical attributes, apparently)
Yuzuru: Ina Bauer, incredible jumps when he's on; Parisian Walkways and Romeo and Juliet (the first version); angelic face that would be a perfect match for Yulia