Personally, Sion and Arc are very unfriendly characters. The heart of these characters lie in long, long, demoralizing combos, both of which necessitate patience and a whooooole lotta time to learn. Sion's took me a whole day, and I still drop it every now and then, but that's more because of the stupid "squeeze" glitch 'cause Sion's so anorexic. X3
Anyways, I don't play as any male characters, so I don't know what to say about them...