Modifiers matching duck:

• brash,
• jealous,
• small,
• tenacious,
• unusual,
• determined,
• pushy,
• optimistic,
• paranoid,
• common,
• insecure,
• here,
• wild,
• larger,
• domestic,
• indigenous,
• marine,
• zany,
• lisping,
• aggressive,
• native,
• boastful,
• daffy,
• short-tempered,
• breeding,
• smaller,
• slobbery,
• rare,
• large,
• bullying,

Simple categories matching paranoid:

• dictator,
• person,
• politician,
• writer,
• president,
• bully,
• duck,
• villain,
• recluse,
• spy,
• humorist,
• director,
• terrorist,
• psychopath,
• tyrant,
• actor,
• traitor,
• lawyer,
• autocrat,
• hero,
• comedian,