Powers: Quicksilver is a mutant capable of moving and thinking at superhuman speeds. Originally capable of running at the speed of sound. The character's speed allows him to perform feats such as create cyclone-strength winds; run up walls and cross bodies of water. It has been revealed that one of the reasons for his abrasive and impatient personality is that it seems to him that the rest of the world is moving in slow motion and that he is constantly waiting for it to catch up.Backstory: The character first appears with his twin sister, the Scarlet Witch (Wanda Maximoff), as a part of the Brotherhood of Evil Mutants. The siblings are mutants, with Pietro possessing superhuman speed and Wanda able to control probability. The pair are recruited by their father Magneto after he saves Wanda from a mob after she accidentally causes a house to burst into fire. Quicksilver stays with her to protect her. After several confrontations with the X-Men. They are soon are recruited by Iron Man to the superhero team the Avengers, after they discover they are advertising for new members and want to get support for themselves.