Kevin C. Cucumber

Kevin C. Cucumber (voiced by Dee Bradley Baker) was the leader of the Jellyspotters, and the main antagonist of the episode "I'm Your Biggest Fanatic." He was speaking at a jellyfishing convention, in which SpongeBob and Patrick attended. SpongeBob was a big fan of him, and would do anything Kevin told him to do, but Kevin told SpongeBob to do some harsh things.