Tiger Shark became a brilliant criminal mastermind plotting a series of spectacular crime sprees at sea and Gotham City's waterfront.
When Batman meets up with Commissioner Gordon to talk with Sonia Zucco, she says that one of her tellers was found dead in the killer whale.
Commissioner Gordon suspects that someone is intimidating Sonia Zucco into opening her bank to a criminal element.
When Roadrunner is brought to Gotham City Police Department, he makes a deal for a reduced sentence to District Attorney Spencer that Tiger Shark is planning to leave town with several rare animals to sell over the black market.
Tiger Shark knocks Batman into the yacht's pool which contained a crazed killer whale.
The Dynamic Duo rescued the animals and released the killer whale into the ocean before the yacht exploded.
[5] The second Tiger Shark was a brilliant criminal mastermind able to plan spectacular crimes at sea and on Gotham's coast.