David Silver is a hero from the show Beverly Hills, 90210. He was played by Brian Austin Green.
He fights for and stands up for his friends. He helped Donna with her anger problems. He helped Brandon with his drug problems. He helped defend his friend Steve when their fraternity wanted to kick Steve out for morality problems.
In times of need, he also sacrifices. For example, when the girls were making a calendar of college men one of the models dropped out in the last minute. David stepped in and took the place of the model for the month of February.