What adjectives describe Rex Walls the best?

intelligent, logical, inventive, paranoid, alcoholic, spontaneous

"Later that night, Dad stopped the car out in the middle of the desert, and we slept under the stars."

"Mom said Dad was never the same after Charlene died. He started having dark moods, staying out late and coming home drunk, and losing jobs."

"Something about him said government- a species Dad had trained us to avoid."