Also known as: クロワール, クロワール(ロックマン)
A unique Cyber Elf (Mega Man) from Mega Man Zero 4, given to Zero by Alouette (Mega Man).
It can be given different names, such as Charité, Variable, Progress, Recrue and Nouvelle, with Croire considered to be the default name.
Unlike most cyber-elves, it has many growth stages before it reaches adulthood.