Reaper: a good man gone bad after a tragic accident
Widowmaker: brainwashed into the perfect weapon and made to assassinate her own husband, who she seems to still care about despite everything
Symmetra: an autistic woman born into poverty who truly believes she is doing good for the world
Junkrat and Roadhog: examples of the physical and mental results of nuclear warfare
Sombra: and then there’s this asshole