This page deals with characters from the Mega Man franchise, featuring general background information on them and tropes they provide examples of. More specifically, this page refers to characters from the original eight (and current two) Mega Man games, often called the "Classic series". Mega Man Battle Network, Mega Man Star Force, Mega Man X, Mega Man Zero, Mega Man ZX and Mega Man Legends have their separate character pages.The characters' names will be formatted in this style: English Name/Japanese Name (Serial Number, if applicable, though not mandatory).
Heroes
Mega Man/Rockman (DLN-001)
The legendary Blue Bomber himself. A housekeeping humanoid robot built by Dr. Light who was later modified into a battle-capable robot upon his request. Mega Man is equipped with the Mega Buster, and the ability to copy techniques from the Robot Masters he defeats.
Audience Surrogate: Actually, his personality never went deeper than being a regular run-of-a-windmill Kid Hero's.
Badass Adorable: Has the looks and personality of a child, yet is able to kick ass like no one's business.
Bag of Spilling: Outside of Wily Tower, Mega Man never keeps his old weapons. By Mega Man 9, however, he's even throwing away signature abilities seemingly for good!
Combining Mecha: Mega Man can fuse with Rush in Mega Man 6 to form Power and Jet Adapters. Mega Man 7 ups the ante by introducing the Super Adapter, which features both abilities from the previous two.
Moral Dissonance: In the ending for 7, Mega Man decided to try to kill Wily once and for all instead of simply arresting him like last time. Wily tries to tell Mega Man that he's a robot and thus cannot, and should not kill a human. Mega Man then declares that he is more than just a robot, and prepares to fire. Had Bass not arrived to save Wily, at least in the English version, he would have gone through with it. This is quite a shocker when knowing that Mega Man is normally not one who is willing to hurt a fly.
Older than They Look: Every Robot Master capable of speech who talks about Mega Man being a little kid who forgets that he's the second to third-oldest (depending on how much truth to Quint's backstory there is) human-built Robot Master.
The primary developer of the "Robot Master" technology that created Mega Man, Roll, Proto Man, and others. He has always expressed an interest in using his inventions for the good of mankind.
Robot Masters designed by Light have the serial number DLN-XXX (Doctor Light Number).
Absent-Minded Professor: Actually believes Wily has changed after sending his robot to stop Wily's evil scheme twice! Then he believes Wily 'again after roughly twelve more of Wily's schemes
How many games were in the Classic series between 3 and 10 again?
have been foiled, the last of which involved framing Light for world domination aspirations! If Light keeps this up, he'll develop a reputation for gullibility rivaling Knuckles the Echidna!
Always Someone Better: Early games depict Wily as jealous of Light's higher achievements.
Spell My Name with an SandJapanese Ranguage: In the earlier games, localization for the English speaking territories alternated between rendering his name as Light, Right, and Wright before making Light the standardized name. Capcom themselves consider both names to be correct since the name of his Battle Network counterpart (Tadashi Hikari) translates to Right Light.
The "prototype" robot master created by Drs. Light and Wily. He was the first one to be capable of independent thought. Worried that Dr. Light would meddle with his programming, he left Light Labs to wander alone. He eventually finds his "brother", Mega Man, in 3, and fights him multiple times.
If you play as Proto Man in Mega Man 10, Mega Man returns the favor by giving him Dr. Wily's prototype medicine when Proto Man comes down on Roboenza shortly after defeating the Weapons Archive.
Cain and Abel: Proto Man was working with Wily in 3, but pulls a Heel Face Turn at the end. In the cartoon, he was the Worthy Opponent though it's been theorized that he would've eventually pulled a Heel Face Turn, with his role replaced by Bass (as he had an action figure coming out) if the Third season hadn't been canceled.
Divergent Character Evolution: In Power Battles and Power Fighters, his moveset is basically his successor's, but in 9 and 10, he instead has his brother's Charge Shot and Slide. And odd case where Mega Man had to lose these features for his brother to have a more unique playstyle.
The Dragon: He appears to be this in 3...until he saves you after you defeat Gamma, out of which he's an ally. The TV Series plays this straight, with him working for Wily.
In Mega Man 4, he was apparently still working for Wily; after he saves Kalinka, Wily yells that he betrayed him.
For Want of a Nail: If he would had let Dr. Light remodel him to fix his power reactor, Dr. Wily would never had found him and done it himself, thus he'd never gain the ability to manufacture robots at the same level as Dr. Light.
Pet the Dog: Even if you take him as a villain in 3, he still saved Mega Man at the end.
Power Copying: Like his brother, he also has the ability to copy weapons.
Red Oni, Blue Oni: Although there's a bit of an inversion: while Proto Man is calm and composed, his rebellious nature towards Dr. Light makes him the Red Oni to Mega Man.
Ryotaro Okiayu: His seiyuu in Mega Man 8. The very same seiyuu as Zero in the X series. Funnily enough, there was once a theory that Zero was Proto Man.
The third humanoid robot built by Light Labs, and is a "sister unit" of sorts to Mega Man and Proto Man. She doesn't do any fighting on the field (except in Powered Up, where she is a playable character), preferring to use her smarts and help Mega Man from the home base.
According to her character card in Mega Man & Bass, she hates cockroaches.
Ascended Extra: Roll became something like this over the years of the franchise! In 8, she ran a part shop in Auto's absence (Auto helped Mega Man out in the Tengu Man Stage during the flying scene). In Mega Man And Bass, She uses a communicator to give tips on CD locations for the player and boss weaknesses. In 9, she, along with Auto, runs the part shop again. In 10, after the 8 robot masters are defeated, she saves Mega Man's life from the Roboenza Virus, all the while still being sick from the virus herself in the beginning of the game! In the world of Capcom vs. Whatever, Roll went from a secret Joke Character in Marvel Vs Capcom Clash Of The Superheroes and Marvel Vs Capcom 2'' to a very powerful, and available from the very start of the game, Lethal Joke Character in Tatsunoko Vs Capcom!
Brother-SisterTwincest: Some of her quotes in Powered Up (especially during the battle with Copy Roll) give the impression that Roll is a bit too attached to her brother.
The Chick: Well, as far as a humanoid robot can be a "Chick", anyway.
Considering she looks like a kid and has the voice of a kid anyway.
Distressed Damsel: Wily kidnaps her for some unexplained reason in The Power Fighters.
Fountain of Expies: Like her brothers, most series will have a blonde girl who dresses in either pink or red and acts as a sister, love interest, or mission control for The Hero. Alia, Roll Caskett, Roll.EXE , Ciel etc.
Heroic Sacrifice: A rare non-death example. Upon the defeat of the first four Robot Masters in 10, Dr. Wily creates a prototype cure for the Roboenza virus. Rather than take the medicine, however, Roll instead saves it for the possibility of another sick robot being brought into the lab. Sure enough, just as he defeats all eight Robot Masters, Mega Man falls ill from Roboenza...
However, when Wily leaves behind a huge pile of Roboenza Cure Pills for Mega Man as thanks for being saved and brought back to good health at a hospital, it's safe to assume that Roll gets better, though the ending doesn't show it!
Hitbox Dissonance: In Capcom's crossover titles, Roll's small size makes her a hard target to hit. Tatsunoko vs. Capcom takes this up a notch by giving her a broom, a weapon with good reach, further disjointing her hitbox. See "Lethal Joke Character" below.
Irony: The storyline emphasizes the fact that Roll was not built for combat. Ironically, she has made the most appearances in the Capcom vs. Whatever series than any other character from the entire franchise (even more so than Mega Man, who himself got Demoted to Extra as a cameo in Roll's Tatsunoko vs. Capcom ending)!
Marvel vs. Capcom did it first. She can take out Onslaught quite handily.
In Powered Up, the first form of Dr. Wily can easily be stunned by the Roll Swing, as well as Mega's Mega Kick. They both also do slightly better damage to most of the bosses than the Mega Buster (as long as you don't take Mega Man C's charged shots into account, and even then, they're on par with it during the castle boss battles).
ro, for those who are curious.]] While this level of power may or may not be canon, the other robot masters in Powered Up are afraid of her. As well they should be!
Took a Level in Badass: Somewhat, though she sometimes isn't even present enough to tell either way, but Tatsunoko vs. Capcom is probably a large example. Knocking much larger opponents off their feet and repeatedly ramming them in the groin with a mop is pretty hardcore.
A robotic dog created by Dr. Light in 3 to assist Mega Man in his adventure. Can take on many forms, including a submarine, a hoverboard, a springy coil, and later even a Powered Armor.
Essentially, it turns Mega Man into even more of a Flying Brick, as his Hyper Mega Buster already dealt heavy damage to most enemies in the game and his Double Jump (thrusters portruding from his wings) could allow the use of shortcuts in most stages (and provide relief in the later Platform Hell sections); giving it homing functions only made Super Mega Man more of a plus, although it still doesn't quite make up for the disabling of his slide.
Nerf: In 3, Rush Jet gave you free range of movement, and jumping while riding it greatly reduces the amount of energy it uses up. This makes it incredibly easy to skip the tougher segments of most levels. It was changed in later games so that he automatically moves straight forward and disappears as soon as it touches something.
Sky Surfing: Provides Mega's main form of aerial transport (well, other than teleporting) in Rush Jet mode, where the Blue Bomber stands on him like a surf-board.
Dungeon Bypass: In a strict sense, the Rush Jet makes some levels marginally easier.
After Mega Man saved Dr. Cossack's daughter from Dr. Wily, the grateful scientist created this robotic bird to aid Mega Man. Beat flies around in Mega Man's proximity, either taking out enemies in Mega Man's path or carrying him short distances.
Theme Naming: Named after the basic time unit of music.
Eddie/Flip-Top
Eddie is a small robot who was built by Doctor Light to serve as a walking suitcase. He helps Mega Man by teleporting in to give him power-ups, and occasionally by tossing bombs out of his head. He has a problem with anxiety.
Stop Helping Me!: Very infamous for giving you the power up you don't need. Weapon Energy in a Robot Master level, which usually isn't long enough to warrant it, and a Health Pellet when you already have full health. The rare E-Tank or extra lives are always useful though.
Tango
When Mega Man initially failed to defeat the StarDroids in V, Tango the cat was created to assist him in fighting the robots. His ability is to curl into a spiky ball and charge into enemy robots.
The Cameo: He makes an appearance on the counter of the shop for Proto Man in 10.
Shout Out: He attacks a bunch of evil robots by curling into a spiny ball and jumping at them. Sound familiar?
Theme Naming: We shouldn't need to spell this one out for you.
Auto/Rightot
A mechanic robot created by Doctor Light, Auto considers himself Mega Man's biggest fan. He helps the Blue Bomber by creating new accessories for him to use. He's good friends with Roll, and treats Eddie like a pet.
Adult Child: If his CD biography has to be believed...*
Pure and innocent!
BFG: Uses a cannon/rocket launcher in the Rush Jet sections of 8.
The Cameo: In the Playstation version of X3, in Volt Catfish's intro video.
Doppelgänger: The robot who manages Proto Man's shop in 10.
Remember the New Guy: A new character for 7, but it was mentioned that he was already under Dr. Light's employ long before that time.
Villains
Dr. Albert Wily
The main antagonist of the series, and Dr. Light's former partner at Light Labs. Jealous of being overshadowed by Light's success, he reprogrammed the original Robot Masters and used them to take over the city, and would eventually attempt to conquer the world with them.
Robot Masters designed, controlled, or modified by Wily usually bear the serial number DWN-XXX (Doctor Wily Number), although some special-purpose Robot Masters such as Bass have the serial number SWN-XXX (Special Wily Number).
Anti-Villain: In 10, he leaves behind cures for Roboenza following his escape, and in Tatsunoko Vs Capcom, he calls Zero his son and doesn't really care that he hasn't killed X anymore.
The Chessmaster: He was mainly responsible for the events of almost all of the games, sometimes even doing it in such a way where the blame couldn't possibly be pinned on him. In fact, the only game that had something happen that he was not responsible for at all (or at least, he certainly didn't intend for it to go that way at all) was Rockman and Forte: Mirai Kara no Chousensha, where, although Wily did technically create Rockman Shadow, he was not involved in Shadow's attack at all.
Iron Butt Monkey: Try to remember that, when his Wily Machines go into their second forms, the target would usually be Wily himself, with little to no protection against a robot attack. This is at its finest in Powered Up, where he visibly flinches whenever an attack hits him!
He's also survived being crushed under the rubble of at least one crumbling castle, two crash landings (which, naturally, resulted in a huge explosion each time), and catching a cold. Clearly, that man has great physical health!
Joker Immunity: It took 6 games for Wily to simply go to jail, and even that only lasts for half a year.
Laughably Evil: Arguably for the entire series, but less arguable in 10. Say it with me, guys: "The World is mine! HA-HA-HA-HA...achoo!"
Paper-Thin Disguise: You mean to tell me Mr. X is really Dr. Wily in disguise? But Mr. X has a beard! And opaque glasses! And a cape! And a dot on his forehead!
Pet the Dog: In Super Adventure Wily says he loves his robots and would never give them up .
In Zero's ending in Tatsunoko Vs Capcom, his calling Zero "son"...unless the "unfinished task" he mentioned there is "Kill your best friend in his sleep", which is entirely possible.
But, it is shown, in 10, he leaves the hospital, the clincher? He left probably about enough Roboenza capsules to cure an entire population.
Pride: He decided to Take Over the World essentially because he was sick with being in Dr Light's shadow.
Sigil Spam: The classic "Dr. W" logo, which always means trouble.
Spell My Name with an S: Similarly to Light, in the English language localizations of the first few games, his name was rendered as Wily, Wiley, and even Willy (which isn't even pronunced the same way!) before Wily became the standard English name/spelling.
Supervillain Lair: Skull Castle, a veritable Platform Hell. To make things more difficult, he sometimes has multiple castles.
Villain Override: Boosts King's brainwashing level in Megaman and Bass when it becomes clear that the self-proclaimed lord of robots doesn't particularly want to kill his own kind.
Xanatos Gambit: 6 and 7. He anticipated the possibility of being caught, and built four of the 7 'bots to break him out if that happened.
Batman Gambit: After framing Dr. Light in 9, Wily coerces the population to fund his efforts to stop him. The funding instead went into building Wily's new Fortress guardians.
Guts Man (DLN-004)
While not truly a main character, he's been in many of the games so far, normal, modified, or referenced, and is one of the original six robot masters. Unlike what one would expect, he has average intelligence. Incidentally, he enjoys karaoke.
Dishing Out Dirt: Somewhat. He's commonly associated with earth, and throws rocks a lot of the time as an attack.
Dumb Muscle: Mostly because of his animated portrayal. However, Powered Up reveals that he has average intelligence.
Guts Man seems to have this reputation in-universe too, as Wily refers to him as having strength but no brains if you play as Guts Man in Powered Up. Of course, Wily isn't exactly a nice person, and compared to him, Guts Man is essentially dumb.
Heel Face Revolving Door: Fans are generally mixed on what happens to him and Cut Man (and the rest of the original Robot Masters for that matter) after 1.
Leitmotif: His original stage theme usually accompanies his direct appearances.
We Can Rebuild Him: Wily really seems to like Guts Man. This is first hinted at in 1, where his image is dotted around the final stretch of castle for no adequately explained reason. He's then rebuilt as a giant tank in 2, and in 7 he's rebuilt with treads. A number of robots scattered about the sequels also bare more than a passing resemblance to him.
This might have happened again, as according to a supplementary manga for 9, all six of the original Robot Masters were attempting to stop their younger brethren. It should be said that according to this manga (Rockman Megamix), Mega Man never killed his brothers; they were simply reformatted a la Powered Up.
Which also happens to the new group in the ending of 9.
Cut Man (DLN-003)
Like Guts Man, Cut Man isn't a main character, but is one of the robot masters who appears the most often. While Guts Man has been used as a boss most, Cut Man has canonically been in Wily's service the longest of the original six masters.
Bonus Boss: Although not necessarily a difficult one, he makes his way into X8 as a "reward" for getting good scores on Optic Sunflower's courses. He's even in 8-Bit form!
Also in the Sega Saturn version of 8, as an optional battle in Duo's stage.
Incredibly Lame Pun: His introduction in 8 has at least three puns related to cutting things.
Ever before then, cutting-related puns were present in the Ruby-Spears cartoon, with gems such as "Guts Man might be strong, but I'm on the cutting edge!"
Stealth Pun: Might be a coincidence; in 1, Cut Man takes more damage from the uncharged Mega Buster than any other Robot Master in the franchise (ignoring The Wily Warsremake and 2's Easy/"Normal" mode). Mega Man's Japanese name is Rockman, and Cut Man has a pair of scissors on his head, so...
Definitely not a coincidence. Keiji Inafune decided it would be a good idea to give his game a Rock-Paper-Scissors mechanic shortly after he settled on naming his hero Rockman.
Clockwise from the bottom: RKN-001 Enker, RKN-002 Punk, RKN-003 Ballade.
Minor but memorable characters from the Game Boy games, the Mega Man Killers, consisting of Enker, Punk, and Ballade, are designed for the sole purpose of destroying Mega Man. They are designated by the serial number of RKN-XXX (Rockman Killer Number) in Japanese and MKN-XXX (Mega Man Killer Number) in English.
Always Second Best: Inverted with Ballade; this is how he sees everyone else.
Blood Knight: Ballade is described as being incapable of resisting a fight with any opponent who looks strong, and he is said to dislike foes that disappoint him and uncompetitive enemies.
Bonus Boss: All three of them are the bosses of the Special Stages in 10. You even get their weapons from them!
Fantastic Racism: Enker's Japanese spirit is described as so strong, that he hates Americans. In the Japanese version, that is. In the English version, he simply hates foreign robots.
It isn't much of a transformation, though: His horns point upward and his helmet gains a face mask and visor. His body is otherwise the same.
Theme Naming: Like most of the characters here, their names follow the musical theme.
To explain, Enker is enka (a popular form of Japanese music; coincidentally, his name also sounds like the musical term encore), Punk is named after the genre of rock, and Ballade is either a form of poetry of the same name or a ballad (a narrative set to music).
Quint
A minor but memorable character from the Game Boy games, Quint is apparently Mega Man himself, pulled from the future and reprogrammed.
Continuity Snarl: Is his defeat how Mega Man dies? Did Dr. Light repair and reprogram him, as seems to be the case with many robot masters? Is the version of him that appears in V a replica of some sort?
It should be noted, however, that Quint as seen in II GB never explodes but instead teleports out much like Proto Man after a battle
Future Badass: Oh so subverted. He's resorted to trying to kill himself, he of the charging Arm Cannon and eight or so other weapons, with a pogostick/jackhammer hybrid, and his pattern is pathetically easy.
This was then subverted again in Rockman & Forte: Challenger from the Future, where Rockman Shadow is believed to be a much, much, much more dangerous Quint. It turns out that he's a prototype (quite possibly a Super Prototype at that) of Quint who travelled back in time to prove himself worthy to Wily. The real Quint inexplicably has a cameo at the end.
Appearing in the Compilation Rerelease/Video Game RemakeWily Wars, the Genesis Unit, consisting of Buster Rod.G, Mega Water.S, and Hyper Storm.H, are the three bosses featured in the secret fourth game, Wily Tower. They are given the serial number of MWN-XXX (MegaWorld Number) in Japanese and WWN-XXX (Wily Wars Number) in English.
Villain Exit Stage Left: Buster Rod.G initially leaves when brought down to his last unit of health, only to come back during the third Wily Stage in a brand new, completely different battle.
Villains from Game Boy's V. They are designated by the serial number of SRN-XXX (Space Ruler Number), even in English.
Anime Hair: In the entire Classic series, nobody's got anything on Terra when it comes to this.
Bubble Gun: Venus' Bubble Bomb, which can trap and immobilize enemies.
Catboy: Pluto has the ears, claws, and tail of wildcat.
Collapsing Ceiling Boss: Neptune can stomp the ground, making damaging bubbles drop from the ceiling. Also, Uranus is capable of closing an entire half of his chamber with his quakes, which kills Mega Man instantly.
The Dragon: Terra to Dr. Wily, although he's the leader of the remainder of the group.
Energy Absorption: Mercury's Grab Buster. He can also use it to steal items from your inventory, so most walkthroughs suggest that you go after him first.
Expy: Hello there, Toad Ma...Venus. The Game Boy's graphical limitations doesn't help your case, does it?
In a sense, Mars could be considered as an alternate version of Napalm Man with all of those weapons and everything.
Reversed with Pluto, who ended up having Slash Man from 7 as one for him (only, slightly more humanoid).
Fish People: Neptune is as close as you can get in regards to a Robot Master. Even moreso than Splash Woman!
No Sell: As his body was constructed from extraterrestrial materials, conventional weapons (i.e. the Super Mega Buster) don't work on Terra. Luckily, that's where the Mega Arm (and Deep Digger) come in handy...
Pretty in Mink/Fur and Loathing: Pluto. According to his official bio, he's got other Rich Bitch qualities such as a love for manicures (which he confuses with pedicures, but since he doesn't have claws on his feet...)!
Shock and Awe: Jupiter's Electric Shock, which is powered by a megaton bomb.
Stealth Pun and Visual Pun: some of the Droids' designs (Neptune and Jupiter's power over water and thunder respectively, Saturn's use of rings, etc.).
Mercury's power to melt into a liquid state is a double pun — Mercury the planet is the closest to the sun (meaning any metals would melt almost instantaneously when on its surface), while mercury the element is the only metal that's liquid at room temperature
Time Bomb: Mars' Photon Missile, which intentionally lags before launching, making it the perfect tool for traps.
Tremor Trampoline: Both Neptune and Uranus can do this, whose quakes can just slightly make Mega Man bounce. This bouncing knocks Mega Man out of sliding and the usage of Break Dash, which Uranus is weak against.
An ancient super robot on which Wily based the StarDroids. He releases him against Mega Man for the final battle of V. He promptly blows Wily off the battle field, before facing Mega Man.
Load-Bearing Boss: As his fusion reactor begins to go nuclear from the damage sustained during battle, Sunstar asks that Mega Man leave before it's too late. His death explosion also takes the Wily Star V with it.
A self-proclaimed king of robots who attacked a robot museum, downloaded data on the battle robots, and created an army of robots. It turned out that he is yet another creation of Dr. Wily.
Robot Masters recruited by King (except Tengu Man and Astro Man) have the serial number KGN-XXX (KinGNumber).
Heads I Win, Tails You Lose: in the first of three consecutive battles against him until Proto Man shows up.
Made of Explodium: King is rigged to explode if anyone but Dr. Wily operates on him.
Redemption Equals Life: King was believed to have perished in the final confrontation, but Mega Man's ending revealed that he survived and is now fighting for justice.
Secret Test of Character: He was specifically created because Dr. Wily was losing faith in Bass and wanted to test his ability with a mightier robot.
A robot created by Dr. Wily in 7 specifically to oppose Mega Man at every turn. He has a robot wolf named Treble (Gospel in Japan), with whom he can fuse to gain new powers, in a similar manner to Mega Man and Rush.
Badass: Although the amount of badassitude is undermined by the nigh-insufferable level of his arrogance.
That being said, it's been established that his only equals in the Classic series are Mega Man, Proto Man, and Duo. He will tear everything else to shreds.
Badass Cape: In the Rockman Online trailer, he seems to have taken on his Battle Network counterpart's sense of style. It also recalls Zero's longcoat from Mega Man Zero 2.
Bag of Spilling: He left his Double Jump somewhere near Mega Man's slide and charge shot just in time for 10. Also, his high jump became a long jump instead (although that actually follows basic Newtonian physics.)
Damn You, Muscle Memory: When X and Zero players get their hands on a copy of GBA and Bass for the first time, his dash control will seem...obscure.
In 10, Bass's dash is performed the same as Proto Man's slide (Down and jump), rather than double tapping a direction.
Denial of Diagonal Attack: Averted in and Bass (both the original and the Wonderswan version) and 10.
Played straight in the Power Arcade games, where he was meant to be comparable to Mega Man and Proto Man.
Divergent Character Evolution: He started out similar to who he was created to oppose in his first game in the Vs Mode, before finally getting his semi-iconic dash and diagonal attacks in Mega Man and Bass.
Gone Horribly Right: Bass's only priority is defeating Mega Man and proving himself as the "strongest robot". Since this doesn't specifically require helping Dr. Wily, or even obeying him, this has a tendency to backfire on the good Doctor. Bass's whole heroic turn in and Bass was just him proving that he was stronger than King.
Meaningful Name: His name in Japan, "Forte," means "strong" in several Romance languages. Sure enough, he's obsessed with proving himself to be stronger than anyone else (particularly Mega Man).
No Pronunciation Guide: Although for the sake of the music pun, it's generally agreed upon that Bass is pronounced like "base" and not the fish, despite what 8 says.
Power Copying: He shares Mega Man's abilities to mimic other Robot Masters' weapons.
Red Eyes, Take Warning: Any post-7 appearance. In 7 (perhaps due to sprite limitations), Bass's eyes were brown, possibly to convey him as a new ally. Yeah, right.
Reliable Traitor: He and Wily frequently alternate between enemies and allies.
Theme Naming: He and Treble are named after the bass and treble clefs, obviously. Their Japanese names, Forte and Gospel, are apparently Japanese nicknames for the clefs as well (if it helps make it more understandable, the bass clef is also known as the "F clef", and the treble clef "G clef").
Well Done Son Guy: His methods are seriously messed up (blow up all of your siblings?), but it's made clear he wants Wily to admit that he is his masterpiece. It's kind of sad that he'swrong, too.
A robotic wolf created by Dr. Wily to help Bass the same way that Rush helps Mega Man. He can morph into a jet pack and fuse with Bass to let Bass fly for a limited time.
A brilliant Russian robotics scientist that Dr. Wily blackmailed into attacking Mega Man by kidnapping his young daughter Kalinka. Once Proto Man saved Kalinka, he was willing to help, going so far as to build Beat for you the next game.
Robot Masters designed by Cossack have the serial number DCN-XXX (Doctor Cossack Number), though due to Wily's involvement they may be given DWN serial numbers instead.
However, this only applies to his stint as the "villain" in 4. After Proto Man saves Kalinka, it's a genuine Heel Face Turn...even if he wasn't really a Heel to begin with.
Continuity Nod: He makes an appearance in the supplemental manga for 9, fixing Beat and trying to talk Mega Man out of fighting.
Theme Naming: Duo? As in a musical composition or piece between two performers (alternatively known as a duet)? It continues with Duo.EXE, whose Dragon is named Slur, yet another musical reference.