At an aquarium in Coburg, Germany, an octopus named Otto was known

Otto's revenge

Otto the Octopus is an intelligent invertebrate who confounded humans

Cephalapods: Aliens on Earth – Spartan Shield

Otto the Octopus has that weekend feeling! 🐙♥️ We are open every day 9am - 5pm, Last admission 4pm

THE FUCKING OCEAN YOU GUYS — Octopus sabotages tank, juggles hermit crabs

Our Costa Rican Octopus. - Scuba diving Costa Rica

THE FUCKING OCEAN YOU GUYS — Octopus sabotages tank, juggles hermit crabs

Otto the octopus wreaks havoc

Cephalopod intelligence - Wikipedia

14 absolutely stunning facts about octopuses we've only recently learned

German aquarium rejects Madrid's bid to buy Octopus Paul after World Cup

Cephalopod Intelligence

14 absolutely stunning facts about octopuses we've only recently learned

Octopus Intelligence Shakes Up Darwin's Tree