Raiden (Japanese: 雷電), real name Jack (ジャック Jakku), is a fictional character and protagonist from Konami's Metal Gear series. Created by Hideo Kojima and designed by Yoji Shinkawa, Raiden was introduced in the series as the main player character of Metal Gear Solid 2: Sons of Liberty. In Metal Gear Solid 2, he appears to be a member of the U.S. special operations unit FOXHOUND, participating in his first mission. Despite coming across as rookie, he is a young soldier who is later revealed to have been a Liberian child soldier. Raiden reappears as a supporting character in Metal Gear Solid 4: Guns of the Patriots and returns as the main character of Metal Gear Rising: Revengeance dealing both with his past and his present life as a combatant.