Simple ammonite. Model: Ammonite by YahooJAPAN, licensed underCC BY-SA 3.0 .

Giant octopus with heavy armor, helmet and various weapons

Giant octopus with heavy armor, helmet and various weapons

Giant octopus with heavy armor, helmet and various weapons

Simple octopus Model: Octopus by YahooJAPAN, licensed under CC BY 3.0 .

Simple, ten-armed squid. Model: Cuttlefish by YahooJAPAN, licensed under CC BY 3.0 .

Ten-armed, large squid

Ten-armed, large squid

Eight-armed squid with a grim expression

Eight-armed squid with a grim expression

Eight-armed squid with a grim expression