Make these achievements to get the following unlockable characters:
Play as Android Rachel: complete Trial 29
Play as Charles The Third: complete the second level of Story mode
Play as Devil Buster Dante: complete the first level of Story mode (all four chapters)
Play as Director Blue: complete Trial 1
Play as Fighter Bianky and Friends: complete Trial 13
Play as Gran Bruce: complete Trial 35
Play as Heroine Silvia: complete Trial 37
Play as Hulk Davidson: complete Trial 14
Play as Manager Jet: complete Trial 19
Play as Movie Fan Joe: complete Trial 5
Play as Stylish Alastor: complete Trial 34
Play as Young Blue Jr.: complete Trial 24
Play as Young Captain Blue: complete Trial 40