Complete the indicated task to unlock the corresponding character as a round caller. The caller's voices can be heard at the "Gallery" menu, and changed at the "Options" menu.

Caller	How to unlock
Adachi	Complete Arcade mode with at least nineteen characters.
Chie	Complete Arcade mode with Chie.
Dojima	Complete Arcade mode with at least thirteen characters.
Elizabeth	Complete Arcade mode with Elizabeth.
Fuuka	Complete Arcade mode with at least five characters.
Junpei	Complete Arcade mode with Junpei.
Kanji	Complete Arcade mode with Kanji.
Ken	Complete Arcade mode with Ken and Koromaru.
Labrys	Complete Arcade mode with Labrys.
Minazuki	Complete Arcade mode with Minazuki.
Mitsuru	Complete Arcade mode with Mitsuru.
Nanako	Complete Arcade mode with at least nine characters.
Naoto	Complete Arcade mode with Naoto.
Ring Announcer	Complete Arcade mode with Shadow Labrys.
Rise	Complete Arcade mode with Rise.
Sho	Complete Arcade mode with Sho.
Teddie	Complete Arcade mode with Teddie.
Yosuke	Complete Arcade mode with Yosuke.
Yu	Complete Arcade mode with Yu.
Yukari	Complete Arcade mode with Yukari.
Yukiko	Complete Arcade mode with Yukiko.