Not hero, she says SUPERhero, and when it comes to that I can think of less than a half dozen offhand, INCLUDING Babs, who I don't think views herself as a superhero per se.
Babs Professor Xavier (from time to time) Taki the Whiz-Kids from X-Terminators (Not seen in YEARS) The Chief
Probably a few I'm missing, but it IS true, there aren't many