I love playing Rivals with Workshop characters but my internet connection is atrocious so I don't really want to go online so I keep playing against the CPUs in Offline.

So I'm looking for characters with good enough CPU where I can have a challenge without said character being an obvious broken character. I usually go against (in order of difficulty) The Knight by Fabayou, Alex, Saji and Chara by Sai and some more (those are the most notable ones).
I have become a bit bored and mad from fighting The Knight because despite being the biggest challenge, he feels really broken in a boring way. So I'm open to any suggestions.