Cobra
コブラ
Professor Thelonious Viper, known in Japan as Professor Cobra, is a professor hailing from West Academy and the main antagonist for the first arc of season 3.
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Yu☆Gi☆Oh! Duel Monsters GX
Supporting
Schemmel, Sean
English
Takatsuka, Masaya
Japanese
Castro, Mauro
Portuguese (BR)
Ubaldi, Pietro
Italian
Reinhardt, Peter
German
