Toshiro Tsubaki, Hikaru no Go Wiki

Toshiro Tsubaki (椿俊郎 Tsubaki Toshirō) - An older go player who applied for the Go test. Tsubaki is tall man with an bushy beard. Tsubaki is very loud, aggressive, and intimidating, once having an outburst after a stranger doesn't respond when spoken to. Tsubaki easily intimidates Hikaru. He is nicknamed "Gorilla Man" because of his large size and loud voice. Tsubaki first attends the preliminaries of the Pro Exam. He plays against and defeats Hikaru during the test, as Hikaru was intimidated and

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