Kobe is an elderly man with a mostly bald head, as all of his hair is kept in the back although there is still enough to make a topknot. He wears a dotted kimono with a diamond-patterned sleeve, as well as glasses on his face. He smokes a pipe.
Kobe appears to not be particularly intelligent, as he gave fortress blueprints to a geisha to show his appreciation for her. However, he does seem to be an effective landlord, as he took those blueprints as payment when his tenant Kumagoro was unable to pay his rent.
At some point in the past, Kobe took a set of blueprints of Kaido's fortress on Onigashima from his tenant Kumagoro due to the latter letting his rent pile up. After this, he gave the blueprints to his favorite geisha Kisegawa.
Wano Country Arc
Franky came to visit Kobe to look for the blueprints, and Kobe explained that he had given them to Kisegawa and asked if Franky knew her. Kobe celebrated during the Fire Festival alongside Kumagoro, Kisegawa, Tokijiro, and Rakuda, who were fantasizing about the Kozuki Family defeating Orochi and Kaido.