Dr. Wily (Dr.ワイリー Dokutā Wairi), also known as just Wily (ワイリー Wairi), is the main antagonist of the Mega Man Battle Network series. He was a good friend of Tadashi Hikari and his colleague, but when Wily's research funding was cut off completely in favor of Hikari's, Wily grew bitter and angry at his friend's creation and set out to cause chaos and destroy the cyberworld. He is the father of Dr. Regal and the surrogate father of Baryl. Though not the primary enemy in every game of the series, Wily's actions and influences is the catalyst of every threat Lan Hikari and MegaMan face in the mainline series, Mega Man Network Transmission and Rockman.EXE Phantom of Network.