Most Campbell Crests that can be found by searching Google include the head of a boar, a fierce, tucked member of the pig family. However, some Campbell crests carry an eagle or a swan.
Both Hyuga and Uchiha specialize in taijutsu. In an actual battle, there would be conflict between the Hyuga's Byakugan and the Uchiha's Sharingan. If the Hyuga blocked off the Uchiha's chakra...