Doctor Octopus' Arms (Object) - Comic Vine

Doctor Octopus's arms are four mechanical appendages that he uses as his primary weapon and is able to control each of them through a special link. They are capable of both great strength and delicate procedures.

Robotic arm bends like elephant trunk, Dr. Octopus's tentacles

The Hand (comics) - Wikipedia

Superior Octopus Suit Objects - Comic Vine

Comic Vine Site Mashup

Doctor Octopus' Arms screenshots, images and pictures - Comic Vine

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Doctor Octopus Vs Captain America - Battles - Comic Vine

Doctor Octopus' Tentacles, The Evil Wiki

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Otto Octavius (Earth-616), Spider-Man Wiki

10 Facts You Didn't Know About Doctor Octopus - HobbyLark

Doctor Octopus