Soldier

Soldiers are enemies from all Kingdom Hearts games.

Kingdom Hearts
"Heartless that emerge from various places. They are brisk in their movements, and rush into their opponents. However, they are not that tenacious. They often appear in numbers, though they lack teamwork."

Kingdom Hearts: Chain of Memories
"tech like heartless. a great like moving to foe along to door. careful to slide!"

Kingdom Hearts II
"in a dark solder like combo of hollow bastion. heartless are solders to teamwork to end."

Kingdom Hearts

 * Traverse Town
 * Wonderland
 * Olympus Coliseum
 * Monstro (After Hollow Bastion's keyhole is revealed)

Trivia

 * In the Final Mix versions of Kingdom Hearts and Kingdom Hearts II, Soldiers are colored gold.