The idiom "than one's character" means that something is more important or significant than a person's moral qualities, values, and behavior. It implies that there are other factors at play that hold greater weight in a particular situation.
Sentences with «than one's character»
I did certainly know more than the characters in Friends, but, like most, I knew considerably less on this conflict than on the other world war. (slaw.ca)
He spoke of hell more than all characters in the bible combined. (redeeminggod.com)
Just because you own a PS3 doesn't mean you are associated with anyone other than the characters in the games you play. (n4g.com)