Well in the DBZ universe even however much you like other characters and the strength of their power...it isn't really comparable to the DBZ fighters....only Vegeta would have the power to go one on one with Goku really.. 4 tailed Kyuubi Naruto would maybe get Goku at Kaoken x10 or Namek Goku phase and Goku would knock the shit out of him hahaha.....
Bankai Ichigo would need roughly the same if not maybe just Namek Goku
Itachi would mind fuck Goku but then Goku would Spirit bomb the world and blow him up...
I cant think of another character except Vegeta that can blow up a world.....
maybe naruto in his 9 tailed form..but idk about that.....Sasuke would get ganged raped by Goku's finger if he went super saiyan hahahah
im not too sure about the Nanaya guy and stuff, but yea..this is just my thoughts on DBZ vs. everything else hahahah
