Dexter's Laboratory/Batman

Heroes
Dexter as Bruce Wayne/Batman

Dexter's Monkey as Dick Grayson/Robin

Major Glory as Commisioner James Gordon

Tall Dexter as Detective Harvey Bullock

Mee Mee as Officer Renee Montoya

Dexter's Dad as Alfred Pennyworth

Villains
Dee Dee as Dr. Pamela Lillian Isley/Poison Ivy

Lee Lee as Selina Kyle/Catwoman

Mandark as the Joker

Lalavava as Mary Dahl/Baby Doll

Surfer Boy as Dr. Johnathan Crane/the Scarecrow