Red Hot Chili Peppers, "Subterranean Homesick Blues" (1987)

Cover with new arrangements and loud sound, courtesy of Ana Beatriz Mora and Ana Sofia Lourenço

The Dark Knight Returns - Mutant Urban Slang

http://dkreturns.blogspot.pt/2013/04/the-dark-knight-returns-urban-dictionary.html

The Mutant Leader

Superman

The Joker and Selina Kyle (Catwoman)

Twoface (Harvey Dent)

Jim Gordon