Chuck > Suzu
Yet again, Chuck wins another fight with a combination of his bad fashion sense and awkward pointing poses. Even a ninja like Suzu refuses to go into the same arena with someone like him!
Brusom > Jerme
There's one simple fact to this fight that can't be ignored:
Despite how both of them fail at life, and are completely worthless in every way...Brusom, despite all odds, lives to the end of the game!
Jerme, meanwhile, not only manages to die, BUT get revived and DIE AGAIN.
So when it comes down to it, Brusom wins based entirely on dumb luck being on his side.
Tibarn > Zero
Zero may have slain many a maverick. He has helped defeat Sigma on 8 separate occasions, even managed to defy death *3* times and come back despite all odds.
...its pity that all of Zero's battle experience is against other Reploids and Mechanaloids, as when he finally came up against a formidable biological opponent, such strategies like "confuse the AI!" or "run them out of gas!" doesn't really work when your enemy lacks anything remotely mechanical.