Johnny Cage is a character in the Mortal Kombat fighting game franchise by Midway Games and NetherRealm Studios. Introduced in the original 1992 game, he is an American action hero with an extensive martial arts background. The series depicts Cage as one of the primary heroes defending Earthrealm from various threats, as well as the comic foil. In the first rebooted timeline, Cage is also the love interest of Special Forces officer Sonya Blade and the father of their daughter Cassie Cage.