Brennan is a lady who's quiet and embarrassing but probably one of the most amazing men and women once you become familiar with her. This woman is funny and crazy and really strives which will make everybody else like her. She actually is known for being really nice and smart. Brennans are really beautiful and tend to be great dancers and performers. The Brennan often get jealous or want one thing they do not contain it will work for them to generally be thankful for what they got.