In the series "The Dark Knight," Batman's symbol is often portrayed as a black bat with its wings spread. This emblem is frequently used to represent Batman's vigilante persona and prominently displayed on his costume's chest emblem. It embodies a powerful and recognizable image instantly associated with the character by fans, symbolizing Batman's role as both a symbol of fear and justice in Gotham City. This iconic symbol is widely known and easily identifiable among fans, typically taking a prominent place on Batman's suit and serving as a distinctive emblem for the character in these films.