The two odd men out in the group tend to be Kilmer and Clooney, who both only played Batman a single time, and are generally regarded as the least memorable actors to portray the iconic hero.
The answer Kilmer gave?
The name alone is likely to immediately conjure up images of the caped and cowled crusader grappling across the rooftops of Gotham City, or feeding criminals knuckle sandwiches in a dark Gotham back alley.