
Doctor Manhattan, often shortened to Dr. Manhattan or simply Manhattan, is a fictional character who appears in comics published by DC Comics. He debuted in the graphic novel limited series Watchmen, published in 1986 and 1987. Doctor Manhattan was created by writer Alan Moore and artist Dave Gibbons.

Doomsday is a fictional supervillain appearing in American comic books published by DC Comics, commonly as one of the deadliest foes of Superman, as well as the Justice League. Created by writer-artist Dan Jurgens, the character had a cameo appearance in Superman: The Man of Steel #17 and made his first full appearance in Superman: The Man of Steel #18.

Gorilla Grodd is a fictional supervillain appearing in American comic books published by DC Comics, primarily as an enemy of The Flash. The character was created by John Broome and Carmine Infantino, and first appeared in The Flash #106. He is an evil, super-intelligent gorilla who gained mental powers after being exposed to a strange meteorite's radiation.

Kilowog is a fictional comic book superhero appearing in American comic books published by DC Comics. The character is a member of the Green Lantern Corps.

King Shark (Nanaue) is a fictional supervillain appearing in comic books published by DC Comics. The character was created by writer Karl Kesel and artist Tom Grummett. King Shark first appeared in Superboy #0 as a cameo before making his first full appearance in Superboy #9.

Parallax is a fictional comic book supervillain in the DC Comics universe.

Steppenwolf is a fictional supervillain appearing in comic books published by DC Comics. The character was created by Jack Kirby and made his first appearance in New Gods #7. Steppenwolf is one of the New Gods, the uncle of the supervillain Darkseid, the brother of Heggra, the great-uncle of Kalibak and Orion, and a member of Darkseid's Elite.

Tomar-Re is a fictional DC Comics character, and a member of the Green Lantern Corps. He is also the predecessor and father of Tomar-Tu.