An American cultural icon, Batman has garnered enormous popularity and is among the most identifiable comic book characters. Batman has been licensed and featured in various adaptations, from radio to television and film, and appears in merchandise sold around the world, such as apparel, toys, and video games. The character has also intrigued psychiatrists, with many offering interpretations of his psyche. In 2015, FanSided ranked Batman as number one on their list of "50 Greatest Super Heroes In Comic Book History". Kevin Conroy, Rino Romano, Anthony Ruivivar, Peter Weller, Bruce Greenwood, Jason O'Mara, and Will Arnett, among others, have provided the character's voice for animated adaptations. Batman has been depicted in both film and television by Lewis Wilson, Robert Lowery, Adam West, Michael Keaton, Val Kilmer, George Clooney, Christian Bale, and Ben Affleck.