Bass.EXE

Bass.EXE is a mysterious and solitary Navi. While his origins are unknown, he was created as part of a project to develop an independant NetNavi that does not need an operator and could get abilities from viruses and Navis. He was blamed for disrupting the Net and was attacked by officials. He survived his attack and used his copy ability to keep himself alive and become stronger until he could get his revenge on the humans.

In the anime MegaMan NT Warrior, he and Gospel where created from data of PharaohMan.EXE by Mr. Wily.