Successfully complete the indicated task to unlock the corresponding character:

Anya: Defeat Anya in Challenge mode. 
Bjorn: Defeat Bjorn in Challenge mode. 
Bloom: Defeat Bloom in Challenge mode. 
Dino: Defeat Dino in Challenge mode. 
Felipe: Defeat Felipe in Challenge mode. 
Fernando: Defeat Fernando in Challenge mode. 
Kate: Defeat Kate in Challenge mode. 
L.J.: Defeat L.J. in Challenge mode. 
S. Marayuma: Defeat S. Marayuma in Challenge mode. 
Sasha: Defeat Sasha in Challenge mode. 
Sonia: Defeat Sonia in Challenge mode. 
Sophie: Defeat Sophie in Challenge mode. 
Suzuki: Download the demo of Hot Shots Golf: Out Of Bounds from the 
PlayStation Network to your hard drive to unlock Suzuki in the full version. 
Alternately, play 10 rounds.