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Classic Japanese side-scrolling action, evolved and transformed by Keiji Inafune, an all-star team of veteran Mega Man devs...and YOU!
Classic Japanese side-scrolling action, evolved and transformed by Keiji Inafune, an all-star team of veteran Mega Man devs...and YOU!
67,226 backers pledged $3,845,170 to help bring this project to life.

MIGHTY BOSS MONDA--ER, THURSDAY: Constructing Mighty No. 4!



Happy new year, Mighty Beckers! 

And what better way to kick off 2014 than with a tribute to our new year’s number, 4 -- Mighty No. 4, that is! (What, you didn’t think we’d forgotten about the two Mighty No. bosses we’ve yet to introduce, did you?!) 

Eagle-eyed Beckers may remember sneaking a surprise glimpse at No. 4 in our Kickstarter finale livestream, but here’s the full rundown and formal reveal of his design, courtesy of director Koji Imaeda and lead character designer Kimo Kimo!


Imaeda: The core design theme for Mighty No. 4 was set as “Earth” -- but not that he would control earth in an elemental-type way. The idea was more than he would use brute strength to flatten ground, sweeping away hordes of encroaching enemies and clearing the way for the other Mighty Nos. to proceed. Each of the Mighty Nos. is a powerful fighter on their own, of course, but they are also part of a team, so recently we’ve been thinking of different ways they might have cooperated to fight together. “Hey, maybe No. X and No. Y could pair up for this really awesome attack that combines this skill with that one!” -- that sort of thing. Hopefully we can incorporate some of these ideas into the game itself.

Kimo Kimo: 4 is actually the first Mighty No. I created a complete sketch for and showed to Inafune. Because the theme was all about “Earth” and power/strength, I gave No. 4 the feel of construction machinery -- head like a dump truck, the body of a big crane, bulldozer-like feet and excavator-scoop hands. Ever since I was a kid I’ve loved construction trucks and stuff like that, so I really felt this boss had the potential to be my favorite design. 

At the time, the design for Mighty No. 5 wasn’t complete, so I gave No. 4 a similar color scheme to the one 5 ended up with: green, with red highlights. I was going for a tank-like feel. 


After reviewing the initial sketches, big boss Keiji Inafune chimed in with his comments.

Inafune: He looks dumb (as in, not smart) -- that’s no good. And the design over his eyes, where it looks like’s like something a kid would draw. Also, his chest looks so much like a car, some people might think he can transform -- let’s change that to a tire. And maybe we can put tires on the shoulders, too, and move the shoulder joints to the outside -- I’ve been wanting to have a character like that. Overall, give him a harder and tougher look. 

Kimo Kimo: Because (Mighty No. 9 main hero) Beck has a rounded design, I was thinking all the Mighty Nos. should be round as much as possible to match -- but getting across a “hard” look with curved lines was proving difficult, so I had to get a bunch of idea sketches from Inafune. 

Inafune: We’re adding a lot more detail on the arms, so let’s simplify the chest design a bit. And we don’t need all the big armor on the shoulders. Let’s go with yellow for his color, and how about putting his number on his chest? (This eventually led to the idea of putting the number of each Mighty No. on their body somewhere.) 


Kimo Kimo: Thanks to Inafune’s advice, I was able to refine and finally complete the design for Mighty No. 4 -- it turned out to be my favorite boss design! I’d love to have an action figure for it on my desk someday (anyone out there mind whipping one of those up for me? Ha ha!) Inafune was pleased as well -- “It looks like he’s wearing overalls, that’s great!”

So we know what Inafune and Kimo Kimo think -- how about you? Let us know your thoughts on No. 4 or anything else at any of the usual spots: Twitter, Facebook, and of course the official forums! And hey, while you’re on our backer-only message boards, why not stop by our new Mighty Showcase fan-art section (opening today!) and share some designs of your own! Maybe Imaeda’s comments about how the Mighty Nos. could work together might stir up some ideas...?

Hope to see you there! Until next time, Beckers! ( ̄^ ̄)ゞ
-Dina (Mighty No. 1046), Koji Imaeda (Mighty No. 610), KimoKimo (Mighty No. 299), Mark (Mighty No. 84), and the Mighty No. 9 Team


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    1. John Paul pierce on January 16, 2014

      Please let Beck get that drill. Get some Tengan Toppa action in there

    2. Luke Hardwicke on January 15, 2014

      Hey if this game has voices, can 4 be voiced by a lady

    3. AABAR on January 14, 2014

      @Avedon Arcade / anyone who still can't access the forums, you can email comcept - please look at the steps previously in update #33: see you there - can't wait for the next update (19th Jan) & perhaps get more info on Aizu (Inti Creates) discussion with Inafune on the gameplay (20th Jan)...

    4. Avedon Arcade on January 14, 2014

      I'm a bit behind, I never got a log in and want to set the parameters on my rewards. Who do I contact?

    5. Derrick Smith on January 14, 2014

      Why shouldn't he transform? ;) He is a robot right?

    6. Carl Eric Von Kleist IV on January 13, 2014

      Rot in Hell, you bait-and-switch fraudsters!

    7. Samuel Johnson on January 13, 2014

      I love the design! :D I was wondering when the bulky character was going to make an apperance. I hope they keep that drill as a final design. Maybe it can be absorbed by Mighty no. 9 to give him some kind of drill dash?

    8. JusticeBolt on January 12, 2014

      Awesome work ! Good job!

    9. chris christiansen on January 11, 2014

      as far as the waist tire goes, i would have it spin independantly as part of a drive gear for things in the stage/boss room or work it as molded to the upper body with him able to go a full 360 degrees spin above the waist as part of an attack- perhaps in conjunction with the wrecking ball to build up for a throw and release (with the option of of either pulling himself to the contact point, pulling the contact point to him(like a crate) or releasing the chain. (perhaps the player can cut the chain when he tries to pull it back to put him off balance for a moment/allow him to be damaged. Id probably set him up as though he has heavy armor that mitigates or deflects small weapons fire and would require taking advantage of a weakspot or opening to do damage.

    10. Missing avatar

      Martin Dawson on January 11, 2014

      When I scrolled down to the final design, I said, "Oh, YES" out loud. I love the safety-orange color scheme with the number stenciled on his chest. I also like how the dump truck head and protruding jaw give the impression that he's looking out through a helmet, which enhances his "tough" look. I have to somewhat agree with David's comment about the tire -- it does look like it could rotate, which makes one wonder why it's there. Changing the chevron tread to a straight tread might make it look more like it's intended as bumper.

      My main problem with the design is the simplified shoulders, which look like he has only one range of motion -- that is, he couldn't reach out to the side. And maybe he can't, given the arrows on the concept drawings below.

    11. David on January 11, 2014

      Yeah... The more I look at that tire... OK, just a few more things to consider, and then I'll stop critiquing Inafune-san's critique (Though he did say "it’s like something a kid would draw" which is pretty harsh, so fair's fair I guess...)

      1. The tire in the middle makes his body look a little like a hamburger or some other fast food sandwich.
      2. In English "spare tire" is a common euphemism for a pot belly. Since the tire is right where a pot belly would be it's sort of hard to not think of it as one, which implies that he's sort of out of shape which may not be the impression you want to give.

      Overall, I really like the design. He's very gorilla-like (who also have pot bellies, so maybe that's what you're going for). I particularly like the piston like arms and huge hands. It looks like he could deliver some sort of hydraulic powered punch.

    12. David on January 11, 2014

      "Also, his chest looks so much like a car, some people might think he can transform -- let’s change that to a tire."

      As a game developer, this comment made me smile. If you're trying to avoid giving the impression that he transforms into a car, placing a decorative wheel on him is perhaps counterproductive to that goal. Players are going to wonder what the function of the tire is, and if they can't think of one where it is now they'll naturally assume that he somehow transforms so he can roll around on the wheel like some sort of vehicle.

    13. Chris Taran on January 11, 2014

      Love the design and reading about the process!

    14. Preston on January 11, 2014

      The tire across his belly seems out of place to me, and if the motivation for it was people thinking he could transform when he couldn't, but then the art shows him transforming... I dunno, it just seems like a weird bit of stylization in an otherwise brutally utilitarian and solid design.

    15. Natalie Manahan
      on January 10, 2014

      I dunno. I think the tire in the middle seems really awkward with the rest of the design.

    16. Wayne Sung on January 10, 2014

      If indeed you can team Mighty No then you can create levels like how LEGO games do, with areas only available with a Mighty No group onhand. Or just have a Mighty No team mode. ;>

      Think if we have giant bosses we can have kaiju Mighty No too? Or play Shadow of the Mighty? ;>

      Love an action figure series too.

      4 looks cool, tires are definitely back in style. ;)

    17. Missing avatar

      BSL on January 10, 2014

      I think it's a cool design and hopefully Comcept will replicate what a fan already did in this picture.

      That's what I want to see in the game, he looks really cool in that gif. And should appease the nay-sayers who think the tire looks dumb, in motion I think it looks really brutal and badass.

    18. Missing avatar

      Gabriel G A Bueno on January 10, 2014

      I love the tires, they'll look really awesome once they're animated.
      He looks, quite ironicly considering its size, as the most dynamic boss we have. So many possibilities for attacking moves to be explored.

    19. AABAR on January 10, 2014

      (`_´)ゞ to Comcept & the Mighty team! (including Mighty Becker comrades!) @Stephen Carnaggio if you're talking about the Mighty salute I've seen it since update #2: (at the end)

    20. Missing avatar

      MisundestoodCreature on January 10, 2014

      I agree with Daniel you can definitely see the quazi gutsman influence. I have mixed feelings on the tire. Though i like the color scheme it really works well for him. Especially if the level for him has a construction like feel to it.

    21. Christopher Campbell on January 10, 2014

      Hmm, hate to be negative, but the tire on the waist looks just plain silly. Also, the looks like he's wearing a thong. I'd never be able to take a boss in a thong seriously. As the saying goes, what has been seen can't be unseen.

    22. Calledan on January 10, 2014

      Love it, a lot like guts man, but seems more versatile. Cool to see the updates continuing :D

    23. Axel on January 10, 2014

      Dina: Keep using Emoticons, thanks.

    24. Shawn Jordan on January 10, 2014

      Great job guys really like the design keep it up

    25. Stephen Carnaggio on January 10, 2014

      Dina: Stop using Emoticons, thanks.

    26. Missing avatar

      Mark LeMire on January 10, 2014

      Still doesn't look very smart. The change to a yellow and orange color scheme reminds me of Gutsman so I guess low intelligence is expected.

    27. Missing avatar

      Isaiah Butler on January 10, 2014

      These Bosses look awesome lol they kind of look like they could be transformers which is an awesome concept cause I was thinking what if they had like a 2nd form which looks more like the mechanism they belong to but bigger and more badass.

    28. A Lonely Weeaboo on January 10, 2014

      Mighty No 941 here, why am I banned from the forums?

    29. Chevy James Pirart on January 10, 2014

      Excellent design really like the tires around his shoulders and waist and the giant fists! of steel!! man that is an awesome and strong looking character that should prove to be a decent fight like most of the boss fights will be!! If i know Inafune games?? this isn't gonna be easy ha ha cant wait guys!! its looking awesome!!

      P.S I would love an action figure of Mighty No.4 as well! excellent boss design!!

    30. Nenets on January 10, 2014

      Now this is a battle bot! I love the sense of bulk and power this guy gives off. He might just be my favorite as well! The combination attacks are an interesting idea as well.

    31. Missing avatar

      Michael on January 10, 2014

      I hope the tires start spinning when he gets mad.

    32. Poppy Appletree on January 10, 2014

      I really like this design, and I love the the idea of him having different weapons and a different movement system. It gives the impression of a flexible, modular design, and I think that you could therefore combine No. 4's design with other Mighty Number robots to make a gestalt ultra robot.

    33. Missing avatar

      Yan Zhao on January 10, 2014

      Guts Man and Grenade Man had a kid together. Mighty No.4 was born!

    34. Francis Chavando on January 10, 2014

      This is the first enemy I'm excited about. The design is beautiful and this history is very interesting. He looks great.

    35. Cyclone Jack on January 10, 2014

      I like everything about No 4, except the tire around the waist. It makes me think of a hula-hoop or some kind of bumper so he doesn't get hurt when running into walls. :) Still, it fits the theme well, and it may not look as obvious once No.4 is in-game, animated and with a background. I look forward to defeating him. :)

    36. Edoardo Caselli on January 10, 2014

      Where did the super-cool shoulder pads go? D:
      Good work though, thumbs up for Kimoto-san!

    37. Alan Wilkinson on January 10, 2014

      Slighty disappointed at that Inafune prevented the "evil Bulkhead" theme Mighty No 4 could have had (dump truck alt-mode, presumably), but No 4's final design looks very nice indeed...

      And yay for Mighty Boss Thursday! :)

    38. Remath Kal-El on January 10, 2014

      He's pretty cool. Definitely a great design. Well done Kimono-San

    39. Octopus_Pancake on January 10, 2014

      Good first attempt Mr. Kimo. I really like phase 3's, but the one that stood out to me, in the series of 6 the 3rd on the second row with the wings extending from his shoulders looks coolest :D.

    40. AABAR on January 10, 2014

      @Joshua Nolting With the clamshell bucket hands he looks a bit more like the Energon "Devastator":

      Though with relatively smaller legs and rotating wheels (assumed), there's a hint of Micheal Bay's Devastator: - the big wheels also remind me of Scavenger/Demolisher - I'm sure some transformers fan can make a combination sequence for No. 4!

    41. Fruits on January 10, 2014

      "it’s like something a kid would draw" XD poor Mr.KimoKimo, but it came well at the end :) love to see how you're team working. Thank you MN9 team and thank you Big Boss Keiji X)

    42. Tony Stark on January 10, 2014

      This came out great! Nice design.

    43. David Cisneros Parra on January 10, 2014

      Great design, the tyre touch is great but I will put back the Shoulder pads.

    44. Sdzero on January 10, 2014

      I like the design sheets under Inafune's comments the most. Having some protective plating over the shoulders makes sense, rather than having them exposed. The base footing of the character seems tiny as well. I can imagine an action figure of this character would fall down quite frequently. I assuming you're going for a Metal Gorilla look, which is quite intimidating. Overall, it's looking fantastic! Keep up the good work! :)

    45. HeroZero on January 10, 2014

      Cool....Now we have our power house to fight against this keeps getting better and better. Also the whole combing powers idea would be awesome if it was in the game and cool to see.

    46. Ron Catacutan on January 10, 2014

      nice. similar to gutsman and turbo man combined :)

    47. Zynk on January 10, 2014

      *eyes new Mighty Showcase fan-art section (opening today!)*

    48. Joshua Nolting on January 10, 2014

      It's a combination of Guts Man and the Constructicons, perhaps hints of Bulkhead from Transformers Prime. I got the hint about Optimus Prime/Orion Pax in the original concept, Mr. Inafune. However, you kinda missed the fact he still kinda transforms. Track legs, wrecking flail, etc.

      Just some references. However, Mighty No.4 here is still unique from the others to stand on his own.

      Rest assured, fan art of him will pop up with Transformer overtones.

      Keep up the awesome work!