I know this might be an unpopular opinion but Plankton is the least funny and least likable character. I know this might be an unpopular opinion but Plankton is the least funny and least likable character. Any episode based around him I skip. The second least funny character is Sandy. All the other characters besides Plankton (and his wife) and Sandy are funny. Any episode based around him I skip. The second least funny character is Sandy. All the other characters besides Plankton (and his wife) and Sandy are funny