. "Inhuman prowess for manipulation"@en . . . . . "Ruin the life of Kenzo Tenma and Anna Liebert/Nina Fortner ."@en . . "Serial killer"@en . "Messing with Kenzo Tenma and Anna Liebert/Nina Fortner."@en . "The Monster"@en . "Murder skills"@en . . . "300"^^ . "Monster"@en . . . . "Anna Liebert"@en . "Manipulating people."@en . "Charisma"@en . "High intelligence"@en . . "Johan Liebert is the titular monster and the main antagonist in the manga and anime series Monster. He is a ruthless and psychopathic serial killer whose life was saved by Kenzo Tenma as a child. He is also the twin brother of Nina Fortner. He is voiced by Nozomu Sasaki in the Japanese version of the anime and Keith Silverstein in the English version, the latter of whom also voices Hisoka and Aaroniero Arruruerie."@en . . . . . "Serial Killer"@en . . . . "The Next Hitler"@en . "Johan Liebert"@en . "To commit a perfect suicide ."@en . . . . . . "The Devil"@en . . . "Johan"@en . . "Johan Liebert"@en . . . "Break Anna/Nina psychologically ."@en . . . "Murdering people."@en . . "Johan Liebert is the titular monster and the main antagonist in the manga and anime series Monster. He is a ruthless and psychopathic serial killer whose life was saved by Kenzo Tenma as a child. He is also the twin brother of Nina Fortner. He is voiced by Nozomu Sasaki in the Japanese version of the anime and Keith Silverstein in the English version, the latter of whom also voices Hisoka and Aaroniero Arruruerie."@en . . "Erich Springer"@en . . . . "Michael Reichmann"@en . . . . . . . "Franz Heinau"@en . . . .