LaserMan.EXE

LaserMan.EXE is a NetNavi operated by Dr. Regal He is effectively the Navi in charge of Nebula, who was deleted at the hands of MegaMan in his attempt to control the asteroid that contained Duo.

MegaMan Battle Network 4
LaserMan was first encountered after you win the hawk Tournament. He prevents Lan from leaving and offers MegaMan the chance to join him. MegaMan.EXE refuses and is about to fight LaserMan when one of your friends arrive(it varies depending on what soul style you got first). LaserMan uses MegaMan's inner darkness to turn your friend into a DarkNavi. You do battle with your friend and defeat him. Then LaserMan retreats, saying the darkness had already grown inside him. Later Dr. Regal jacks him into the Duo.EXE comet in an attempt to take over the comet. He encounters MegaMan and is deleted.

MegaMan NT Warrior
He first shows up in axess when ShadeMan.EXE attacks Dr. Regal's ship base. When he attempts to attack Regal, LaserMan appears. ShadeMan attempts to kill him but his attacks go right through him. LaserMan destroys the dimensional area generators and makes all the viruses and NetNavis disappear. He appears later in the show, as the new leader of the Darkloids. He commands them on various missions and increases the amount of darkness in ProtoMan.EXE. When Dr. Regal reveals his plan to cover the world in dimensional field generators and initiates it. As soon as he does, ShadeMan appears and challenges him. Dr. Regal and LaserMan.EXE cross fuse to become a gigantic version of LaserMan and delete ShadeMan.EXE easily and brutally. Then he goes on a rampage, attacking various places around the globe. he is first attacked by Chaud but defeats him. Then he fights the Cross Fusion of Lan and MegaMan.EXE. In the end, LaserMan and Dr. Regal is defeated and LaserMan is deleted.