megaman.exe
One of the main protagonists from the Mega Man Battle Network (series) series, a NetNavi operated by Lan Hikari (mega man), later revealed to have been created with the DNA of Hub Hikari (mega man), Lan's twin brother.
Beyond just Battle Chips, MegaMan.EXE possesses mechanisms that allows him to be versatile in combat while also changing his appearance, like Style Change, Double Soul and Cross System.