Brain Gremlin

The Brain Gremlin is the main antagonist in Gremlins 2: The Second Batch, though it is Mohawk the Gremlin who is the true villain.

He was once a normal Gremlin, until he drank a brain serum that increased his intelligence. He planned to make his species civilized and assumed the role of leadership over the other Gremlins.

However, before he and his army could escape from the building, the heroes freed the Electric Gremlin that electricuted the other gremlins, including the Brain Gremlin.