Quicksilver

Pietro aka Quicksilver is the son of Magneto and the brother of Scarlet Witch and Polaris. He is also the leader of the Brotherhood of Mutants and receives their missions from Magneto. He always hopes to win his father's approval and live with him on Genosha, which drives his every action as a member of the Brotherhood. He first appeared breaking Toad out of police custody and told the police to tell Senator Kelly that "there's no stopping the mutants." He led the team in attacking Senator Kelly's mansion.