Characters:
Chester / Arche - View and finish them in extra events in Luke / Tear and Jade / Anise's stories
Cless / Kratos - finish Lloyd and Collete’s Story
Dhaos - finish every story besides Dhaos and Mint / Barbatos
Eugene - finish all 20 Special Battles
Jade / Anise - finish Luke and Tear’s Story
Luke (Short Hair) - finish Luke and Tear Story. Select Long-Hair Luke by holding Start
Mao / Caius - finish Yuri and Farah’s Story
Mint / Barbatos - finish Dhaos Story
Nanaly / Harold - finish her in an extra event in both Yur i/ Farah and Mao / Caius stories
Philia / Kongman - View and finish in extra events in Luke / Tear and Jade / Anise stories
Presea - Fight in an extra event in both Yuri / Farah and Mao / Caius stories
Richter - View extra events with him in both Loyd / Collete and Cless/Kratos' Stories
Rita / Judith - Defeat them in extra events in both Loyd / Collete and Cless/Kratos stories
Senel - Fight in an extra event in Jade/Anise story. Go to the Mao / Caius Story and view his Extra event
Shing / Kohak - Defeat them in extra events in both Loyd / Collete and Cless / Kratos stories
Stahn - finish Leon and Kyle's Story

Wallbreakers
Celsious - Beat Wallbreakers in 5 minutes or less
Frio - Beat Wallbreakers
Kyaro - At the 'Results' screen, press L & R repeatedly and move the penguin across the screen
Valkyrie - At the menu, move the analog nub up and down, then alternate pressing L & R until Sandra moves across the screen. Speech bubbles will appear.