About

Gustav is Vincent Bari's partner. Bari and Gustav's relationship resembles that of a strict father and a rebellious son but Bari appears to (somewhat grudgingly) respect Gustav for his immense knowledge. (Source: Zatch Bell! Wiki)

Anime

Voice Actors

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  Ishizuka, Unshou

  Japanese

• 

  Camilo, Leonardo

  Portuguese (BR)

• 

  Segundo, Carlos

  Spanish

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  Gaude, Gianni

  Italian