Bass and Treble
Mirroring Mega Man and Rush, Bass and his robotic wolf companion, Treble, were created by Dr. Wily. Like Mega Man and Rush, Bass and Treble can combine to become Super Bass. Similar to Proto Man, Bass’s alliances and motives would eventually become somewhat blurred.
Auto
Auto is Dr. Light’s assistant who runs Eddie’s Cybernetic Support Shop, where Mega Man can trade Screws for items and upgrades.