Religion: not determined yet
Name: Orca
Alter Ego: Grace Balin
Classification:
villain
scientist
Publisher(s): 
First Appearance: Batman (vol. 1) #579 (July 2000): "Orca, Part One: A Matter of Principle"
Creators: Larry Hama, Scott McDaniel, Karl Story
Super? (Has Super Powers/Special Abilities/Technology): Yes
Number of Appearances: 7
Enemy of: Batman, Camille Baden-Smithe
Employer: Gotham Aquarium
Occupation: marine biologist
Location: Gotham City, USA
Gender: female
Batman (vol. 1) #579 (July 2000): "Orca, Part One: A Matter of Principle"Joker: Last Laugh #2 (Dec. 2001): "Siege Mentality"Joker: Last Laugh Secret Files #1 (Dec. 2001): "A Clown at Midnight"
Suggested links for further research about this character:
- http://www.dcuguide.com/who.php?name=orca
- http://www.dcuguide.com/chronology.php?name=orca
- http://comicbookdb.com/character.php?ID=5100
- https://www.comics.org/issue/216813/
- http://comicbookdb.com/issue.php?ID=31558