The phrase means that one character is being compared to others in terms of a particular quality or trait, and it is implied that they possess less of this quality than the other characters.
Sentences with «than the other characters»
I think it's the right fit, way better than the other characters he was rumored to play. (theyoungfolks.com)
He can also swim faster than the other characters. (mariowiki.com)
His standard jumps are also higher than any other character's and he has lower traction once more. (mariowiki.com)