Gustav
グスタフ
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)
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Konjiki no Gash Bell!!
Supporting
Ishizuka, Unshou
Japanese
Camilo, Leonardo
Portuguese (BR)
Segundo, Carlos
Spanish
