Vegito even in his Normal state.
vegito
broly
Super Vegito
super vegito
Broly would win in a fight of Super Android because he is much stronger.
Probably Broly, but it won't be easy.
SSJ 4 Broly.
Cell.
broly
The X-men, assuming you mean all of them.
super vegito
Depends on the version of superman you are using.