Cache

Cache (キャッシュ) is the final boss from the game Rockman.EXE Phantom of Network, a NetNavi that manages a cache server.

Rockman EXE Beast+
In the anime Rockman EXE Beast+, Cache was the one responsible for creating several duplicates of NetNavis (A.K.A the phantom navis). In Beast+ he can apparently turns NetNavis and humans into gold chips to gain power.

Triva

 * Some people say that Cache is similar to Lumine, from Mega Man X8.