Before I get to the next batch of second round matchups, here's a look at the first entrants into the Sweet Sixteen.
Housefly over Drifter
Slambo over Torment
Farnswirth over Spoiler
Shane over Ryan
Euclid over Roddy
James over Snake and Eddie
Kenny over Mikey
Gladiator over Mr. A!
And now, for the Suleimon and Moron Bros. regionals
Captain Suleimon Bracket
Big Dog (1) vs. IrishRed (9)
Big Dog's greatest opponent... this is tricky. Do you go with the friend gone foe in Gladiator or the slowly-burnt yet always hot rivalry with Euclid? I think we'll say the latter here, because there was a lot more depth to that feud.
Red's best foe is probably James Irish, seeing that they main-evented the MBE Invasion TNW.
Lindsay Troy (4) vs. Cross (5)
I'd have to say that this match has happened before, and that Cross and Lindz may very well be each other's greatest opponent in A1E. There's an argument to be made for Lindz against Farnswirth or Beast, but I think in A1E, this was both their defining feud.
Prisoner 187 (2) vs. Lucifer (7)
187's greatest opponent is Housefly. That feud carried the first Vengeance to great heights (and this was with a stacked undercard too), plus it was probably the place where the World Championship ceased being this belt that people just RPed for and a legitimate centerpiece for angles.
Lucifer's biggest feud was with Mr. Hyde in the SIN breakup angle.
Mr. Hyde (3) vs. Eight (11)
If there's any A1E superstar who is inextricably linked with Mr. Hyde, it's Beast. Hyde made a living out of wrestling Beast in his too-short A1E career, and he was quite good at it. The two had great chemistry, and it's a shame we didn't get to see more of it before Hyde's unfortunate retirement.
Eight's best opponent is Drifter, as they had a good back-and-forth with the Triple Star Championship.
Moron Bros. Bracket
Beast (1) vs. Hida Yakamo (9)
Well what do you know? Both these guys' greatest opponent is Housefly, but for different reasons. Beast's feudage with Fly has been the stuff of legends, while Hida's only real feud since joining A1E has been with Fly.
Andrew Gilkison (4) vs. Nemesys (5)
Crap, these two had a pretty hot couple of matches over the Cyber Title in the early, early days of A1E, but neither are each other's best opponent.
FOr Andy, that would be Steven Shane. You could argue Fly or maybe the HPSC as a whole, but I thought his feud with Shane was a little more even and eventful than both of those.
For Nemesys, the answer is Beast. Their feud was a defining early feud in A1E, and even in its most recent incarnation, it still held up well.
Jericoholic Anonymous (2) vs. Duchess (7)
For JA... hrm, it's tough. If you want the New York Yankees to my Boston Red Sox, then it's definitely Chip Friendly. If you want the great early feud partner, it's Snake. But I think the real answer here is Richard Farnswirth, who's really been a great opponent to have coming back from the long layoff.
Duches... AJ Cirrus. Their feud was pretty hot and it culminated in a big match.
Chip Friendly (3) vs. Necromancer (6)
Chip's greatest opponent is probably Beast. They had at least two feuds culminate in PPV matches if my memory serves me correctly.
Necromancer's greatest opponent is a tie between Snake and Mikey because of the feud over the Tag Titles.