The Mind Control Squid is a minor villain in the Teen Titans episode "Wavelength".
After Aqualad leads the Teen Titans towards the underwater H.I.V.E. Academy, Brother Blood unleashes the Mind Control Squid to attack them. The Squid manages to destroy the T-Ship, but the Titans are rescued by Beast Boy in his whale form. They are then attacked again by the Squid, however Aqualad intervenes and throws rocks on him, crushing him.