Plastic Man [Eel O'Brian]; Woozy Winks; Agent Morgan [Nancy]; Martian Manhunter [J'onn J'onzz; also as Luke O'Brian]; Letitia Lerner; President Abraham Lincoln; Mary Todd Lincoln; Metron [also as Time Trapper]; Poison Ivy [Pamela Isley; also as Angel O'Brian] (villain); John Wilkes Booth (villain)