User blog:MattDet/Only semi-related but...

http://theyoshistate.deviantart.com/journal/Yvonne-Craig-aka-Batgirl-dies-at-78-555006346

Yvonne Craig, best known as Batgirl, passed away at 78. Batgirl was a final-season character addition in the 60's Batman series, much like it's inspiration, my 60's series, where the Cousins are last-season additions.

More details in the external link above.