Form the game "Disgaea 4: A Promise Unforgotten"
Note: Despite the name, the "Android" class are actually valkyries turned converted into cyborgs rather than being purely robotic.
From the game "Disgaea 6: Defiance of Destiny"
Note: Mecha Girl ("Armored Valkyrie" in the Japanese version) is a unit class which can be customized in color. Some screenshots may contain the unit in different colors."