User blog comment:763492/About the title "Super Smash Bros."/@comment-24858759-20141018102814

Super Smash Bros = Super Smash Brothers

Super Mario Bros = Super Mario Brothers

I think it's that all the characters until Brawl were from Nintendo, which made them like "as brothers"

But then Brawl came...new brothers...

Also, saying "Don't you think some people in Japan always came up with weird titles when it comes to their projects? Honestly I'm not being racist about it" <-- In my opinion the word racist is not set in here.