I think some animals are more intelligent than some people

Humans think they are smarter than dolphins because we build cars and buildings and start wars etc...and all that dolphins do is swim in the water, eat fish and play around. Dolphins believe that they are smarter for exactly the same reasons.
Send a human slave to confound and confuse us... maybe they've already started
by SPIKE
whats the best way to surprise us if they're gonna take over the world?