If you honestly believe it would be worse caution. I think every good writer knows that they can always do better, we can. Hey, we're talking about your characters here. Of course they do. So, take out a notebook and let's get to work at doing them over completely.
Most writers introduce their characters horribly.
Mainly because our focus is off. We're thinking about other aspects of the job. A wider scope, perhaps. I'd like to add something to this rule though . . . Don't forget their surroundings.