Bass (フォルテ, Forte) is a character from the Mega Man universe.
Bass is a Robot Master created by Dr. Wily as an arch-nemesis to Mega Man, in an attempt to exceed his power. Bass was made using a material that Wily created by accident called "Bassnium". He debuted in Mega Man 7 alongside his partner Treble (who is much like Mega Man's Rush) as a villainous character, initially gaining Mega Man's trust only to later steal new enhancements from Dr. Light's lab to help Dr. Wily in his attempt at world domination. Bass is fought several times in the game, including at the end of the introductory level. After the final battle against Dr. Wily, he saves his creator from Mega Man's attempt at killing him. Bass is also playable in the game's secret two-player mode.
Bass' rivalry with Mega Man would continue from that point onward, even with a boost of power from a mysterious energy that landed on Earth, as shown in Mega Man 8. Mega Man even trades words with his rival, suggesting that they not be enemies. During the events of Mega Man & Bass, Bass and Mega Man were soon forced to team up when a new threat known as "King" began to stage an uprising among other robots. The two defeated King, finding out that he was in fact made by Dr. Wily. According to Dr. Wily, King was to be Bass' successor should Dr. Wily lose faith in Bass, wanting to test his ability with a mightier robot. Bass angrily lashes out against Dr. Wily, defeating his creator. After the battle, Wily presents Bass with the blueprints for "King II", offering him the chance to work alongside this upgraded King. However, Proto Man arrives before the plan could be put into motion, destroying the blueprints.
In later games, he has adapted more of an anti-hero role, siding with Mega Man in a few games such as Mega Man: The Power Battle and Mega Man 2: The Power Fighters, and also being playable in games such as the aforementioned Mega Man & Bass and Mega Man 10, where he opposes Dr. Wily or King depending on the scenario. At the end of his scenario in The Power Fighters, Dr. Wily reveals that he has a new robot in the works that will blow both he and Mega Man away, having learned from his past mistakes and showing the blueprints to Bass. Bass then scoffs the design calling it a very girly looking robot.
As a trophy
Bass's trophy is exclusive to the Wii U version.