Cole Cassidy (ow2)

Cassidy is a gunslinger who used to work for the deadlock gang back in he 1800s, he now works for overwatch to pay for the crime he's done, his signature catchphrase is "it's high noon" which also is what he says when he actives his ultimate, his ultimate is called Deadeye, it'll lock onto any enemy within sight and once it's charged enough damage it can one shot them as long as they aren't behind a barrier or cover.