|First Appeared In||Mega Man|
|Appears In||Almost every Mega Man(classic) game|
 Original Series
Roll is MegaMan's sister and is also a servant robot for Dr. Light. When MegaMan was converted into a warrior robot, she was happy to have a brother that can fight. When MegaMan goes to fight Dr. Wily she stays with Dr. Light helping him with robot parts and creating some modifications for MegaMan.
 Battle Network Series
Mayl's Navi. She had a creepy stalker in Battle Network 4, and has been mad at Mega Man before. They always make up, though.
She is the healing Navi.
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