Kids entertainment channel Cartoon Network on Tuesday said it would make available its comic characters like Ben 10, Powerpuff Girls, Johnny Bravo and Dexter on mobile handsets.

Last year was a big one for comic book movies. A bunch of films that were adapted from comics -- including Hellboy, The Dark Knight and Iron Man, among others -- hit the big screen in 2008 and proved to be cash cows at the box office (and in the case of Dark Knight, critical darlings).