ColorMan.EXE

ColorMan.EXE, known as ColoredMan.EXE (カラードマン) in Japan and WackoMan.EXE in the English anime dub, is the NetNavi of Ms. Madd (Madoi Iroaya in Japan, Maddy in English anime dub) who first appeared in the Waterworks in MegaMan Battle Network. He later makes all traffic lights green in one of the crossroads from Dentown to cause accidents and sell fix programs by one million Zenny each. When Lan solved the problem and avoided people to buy the program, Madd uses ColorMan to make all lights green and made the bus Mayl and Roll where inside go runaway, and sent a virus to explode the bus, but ColorMan was defeated before it could happens.

Anime
In the anime MegaMan NT Warrior, he causes trouble with traffic lights making all of them red, leaving Yai trapped in her limo while needing to go to the bathroom. Madd later captures Dr. Froid and uses his son Tory and IceMan to control the Waterworks, and later fights against Roll in the N1 Grand Prix.