Except Zorro ("his Idol") wasn't just a fencer as you say. Zorro had and was known for incredible cunning, stealth skills too, used, darkens, stealth, fear, superstition, all as his weapons.
As well as irregular warfare against his enemies, plus the arsenal of classic physical weapons, around his belt.
Sword, throwing daggers, whip for attack, climbing, swinging, as well as explosives, and black powder pistolas.
1919-1920 first movie descriptions of Zorro, which influenced Kane and Finger:
Absolutely!
As well both took the identities of small, dark, cunning, nocturnal survival animals, as their power totem/symbol.