Alpha Patroklos: Crazy high execution barrier, but his punishment game is insane...if you can perform all those just frames.
Aeon: Average at everything, has only one actual gimmick, simplest character in the game, excels at ring outs.
Algol: Linear, decent low/mid game, peerless damage with meter(but nothing that special without).
Astaroth: Slow and relatively unsafe, but has peerless per-hit damage(one of his non-meter moves even does over 100 damage) and can throw his foe in almost any situation.
Cervantes: Some of his attacks are on the slow side, he has a bit of an execution barrier, and he's very complex; but on the flip side he has a tool for almost any situation you can imagine.
Dampierre: Luck and trolling-based, he has 50% health meterless combos, his throws are humorous, and he's decent at whiff punishing.
Devil Jin: Banned from most tournies(including the online tournies here), but has great mid/low mixups, a few crazy juggle combos, and very high attack speed.
Edge Master: Each round he randomly switches between all styles(except Algol/Devil Jin/Ezio). His height makes some combos for default characters impossible for him and allows some combos default characters can't perform, so a few tourneys do ban him(as well as the other mimics). If you haven't purchased Dampierre, Edge Master won't use his style.
Elysium: Each round randomly switches between one of the seven female character styles, but has a unique CE that can combo out of many things(the value of which is questionable due to it's crzy damage scaling).
Ezio: Not much for combos(he has exactly two combos---the in-game movelist is a lie! but no really he has few combos) but he's big on counterhit damage and has many good vertical attacks. He suffers against well-timed sidesteps more than other characters since he doesn't have many good horizontals.
Hilde: A character that requires a higher level of mindgames and great execution, but has nice payoffs with juggles and against a competent player her mindgames truly shine. Is she charging up an attack or just messing with your head? THE SUSPENSE WILL KILL YOU!
Ivy: She dominates movement with horizontals and command throws that make sidestepping less effective, but her longer-reaching attacks are pretty unsafe.
Kilik: Randomly switches between all the male charaters' styles each round(except Algol/Devil Jin/Ezio).
Leixia: Fast, safe, lots of guard pressure, a crapload of mixups & cancels, but low damage.
Maxi: Accused of being a button masher's friend by scrubs, in truth he's one of the most complex characters with seven different stances and crazy mixup possibilities. His weaknesses are that his stance transitions(which happen frequently) are vulnerable to any who recognize them and his range as well as safety aren't very good.
Mitsurugi: Above average in almost everything, no actual weaknesses.
Natsu: Crazy fast, powerful, and a counterhit machine but lacks range.
Nightmare: The token scrub killer. Great range and damage, but unsafety requires attacking wisely(chiefly as punishment).
Patroklos: He's the in-your-face type. Mixups, great moves out of 8way run, et cetera.
Pyrrha Omega: Like regular, only greater guard pressure, more damage, less mixups, and a bit less safe.
Raphael: The master of poking and fast verticals. That's all he has, basically.
Whifffried Siegfried: Good damage, lots of stance mixups. Infamous for his moves not doing damage seemingly at random, an annoying though overrated issue.
Tira: No mixups whatsoever(JS 44AA/JS 44A2A is too crappy to even bother with), random persona shifts that switch her between a mostly-crappy and mostly-godlike moveset, and respectable speed/damage.
Viola: The combo and juggle queen. Her per-hit damage isn't that good, but she can do insane juggles any time she stuns/launches/knocks down her victim.
Voldo: A lot like Siegfried, only with confusing animations to boot.
Xiba: Good lows and his 3B mixup is godly.
Yoshimitsu: A lot like Cervantes, but with a higher execution barrier and requires relying on a *TON* of gimmicks.
Zwei: Guard pressure game is crazy good, but he's reliant on making far more good reads and has a hard time regaining the upper hand.