Why do we consider Tobirama a badass?

[Cloudis1]

His character and personality is more of what makes him a badass.

 

[Twisted007]

I need to see him in a real fight before I can call him a 'badass'

You guys are overreacting, what if Madara whoops his ass in the next chapter lol

 

[Penguin]

Raised a finger and made almost everyone crap their pants. Cracked a wall by putting his hand on it. S/T user. Edo Tensei creator. First main Water Style Hokage. Is a senju. Hashirama's brother. Do I need to continue?