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| Real Name: Grace Balin | ||||||||
| Also Known As: | ||||||||
| Place Of Birth: Gotham City | ||||||||
| First Appearance: Batman Vol.1 579 | ||||||||
| Known Associates: | ||||||||
| Group Affiliation: Employee of The Penguin | ||||||||
| Base Of Operations: Gotham City | ||||||||
| Grudges: Batman | ||||||||
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| Gallery: Click | ||||||||
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| Enhanced Abilities: Orca has enhanced strength and endurance. | |||||||
| Swimming: Orca is an excellent swimmer and at complete ease in water. | |||||||
| Water Breathing: Orca is able to swim under water for long periods without taking a breath. | |||||||
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| Grace Balin attended Gotham Gate College and quickly became fascinated with the ocean. She received a Ph. D in Marine Biology and Bio-Medicine and took a job at the Gotham Aquarium. A very charitable person, Grace funded an after-school program involving the ocean for underprivileged youths. She also volunteered at a soup shelter and took care of many homeless people. Dr. Balin was later involved in an accident that left her paralysed, dependent on a wheelchair for mobility. She continued to work at the Gotham Aquarium until it was closed due to lack of funding. | ||||
| This spurred Grace to begin experiments with spinal cord tissue regeneration using Orca spinal cord tissue. The Gene-Therapy studies and human experimentation that she was conducting caused her to lose her funding. Grace then used the chemical formula for spinal cord regeneration that she derived from an Orca whale on herself causing her to transform into Orca. | ||||
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