Who is Hawkeye in Avengers?

Clinton "clint" Barton is the archer.

he was initially raised in a house with an abusive drunk of a father, however the drinking eventually cost him his life as well as his wife's. Hawkeyes and his brother were now orphans and so the joined the circus, where he was trained by the original sWordsman and trick shot. After seeing Tony Stark (iron-man) in action he tried to copy him and thus the bright purple suit was born. however when he first started he was mistaken for a criminal and teamed up with black widow and fought against tony on a number of occasions. However even though he became romantically involved with widow he was unhappy being a criminal and talked to the avengers, with tony stark sponsoring him.