Looney Tunes/Batman

Heroes
Bugs Bunny as Bruce Wayne/Batman

Foghorn Leghorn as Commisioner James Gordon

Barnyard Dawg as Detective Harvey Bullock

Tweety Bird as Dick Grayson/Robin

Sylvester Cat as Terry McGinnis/Batman Beyond

Porky Pig as Officer Renee Montoya

Petunia Pig as Lucius Fox

Villains
Yosemite Sam as the Joker

Rocky as Oswald Chesterfield Cobblepot/the Penguin

Lola Bunny as Selina Kyle/Catwoman

Taz as Edward Nygma/the Riddler

Road Runner as Harvey Dent/Two-Face

Daffy Duck as Dr. Pamela Lillian Isley/Poison Ivy

Melissa Duck as Dr. Johnathan Crane/the Scarecrow

Wile E. Coyote as Waylon Jones/Killer Croc