Mayor Cobrafish

Mayor Cobrafish is the secondary antagonist of the 1999 animated film, Fishing Season.

Biography
He blames Tom the Shark for poisoning sharks with night howler serum, just so his cure won't work. He then terrorized the Reef, leaving it's people with no homes.

However, he noticed Derek and confessed his plot to him, stating that he has only framed Tom so he can silence all those fishes who vote against him. He chased Nellie and tried to kill him.

When the sharks is defeated, Bob and Sir Crab finally manages to expose the Mayor as a shark in front of everybody. Mayor's plans is foiled and is presumably arrested.

Personality
Cobrafish is cruel, arrogant, vicious and sadistic. He cares about nothing but himself, and he would terrorize the entire city just for power, control and money. He seems to love the Reef, only because he rules it.

At first, he seemed like a decent guy, as evidenced by Derek and Little Alan against Turbo's election of the Reef.

However, prior to Derek's first encounter with him, he was talking to Turbo, keeping his true intentions for take over the reef, and kills all the fishes.