Fred is outgoing and goofy, but protective. It goes without saying that Fred is brave; after all, he is in Gryffindor.
George is charismatic and outgoing, always lightening the mood with a well-timed quip. Fred and George are not bullies. George was, as it were, the public face of the Weasley twins, able to be much more subtle and diplomatic than Fred. George always tends to fall for the sweet, down to earth girls, Fred Weasley would go for a bit more loud and outgoing girls