Joker (hallucination, villain); Mad Hatter [Jervis Tetch] (hallucination, villain); Mr. Freeze [Victor Fries] (hallucination, villain); Penguin [Oswald Cobblepot] (hallucination, villain); Ra's al Ghul (hallucination, villain); Riddler [Edward Nigma] (hallucination, villain); Scarecrow [Jonathan Crane] (villain); Spellbinder (hallucination, villain); Two-Face [Harvey Dent] (hallucination, villain)