ElecMan.EXE

ElecMan is used by Count Zap in his various schemes in World Three. In the second episode, Count Zap sends him out to cause chaos by invading various electrical appliances and making them go out of control. All over DenTech City, appliances malfunction, culminating in a hijacking of a train. ElecMan releases viruses onto the trains network. When the conductor tries to pull the brake, ElecMan electrocutes him. MegaMan defeats all the viruses, but then ElecMan himself battles him. MegaMan initially loses to ElecMan who phases through all of MegaMan's attacks. ElecMan's fires a Lightning Blast at MegaMan, but Lan uses Barrier to protect him. He then uses Blaster to knock ElecMan back and then CyberSword. ElecMan uses his ElecSword, but MegaMan is faster and defeats him, prompting him to log out.

(Source: Megaman Knowledge Base)