Nerissa

Nerissa is one of the supporting characters for the animated film The Reef and it's sequel The Reef 2: High Tide.

He is an elderly wise loggerhead sea turtle who trains Pi in standng up to Troy.

He is voiced by Rob Schneider (who also voiced many other characters in the movie)

The Reef:
He's grumpy and a loner. He reveals to Pi that he's like this because his wife was killed by fishermen and all Nerissa has left is the blue pearl he proposed.He helps Pi with marical ocean arts to defeat Troy the shark. After Pi defeats Troy, Nerissa gives Pi his blue pearl for him to propsee to Cordelia to which Pi does.

The Reef 2: High Tide:
In the Sequel, he tells Pi that he can't defeat troy on his own this time. The other fish must also defend the reef. TRoy has Ronny a dwarf shark disguise himself and sabatoge Pi's training with a talent show Bart & Eddie capture Ronny when he's exposed as a shark and bring him to Pi. But Ronny remorsefully tells that Troy was forcing him and that he'll help Pi get Cordelia back from Troy. Pi, Nerissa, Bart and Eddie decide to give the remorseful dwarf shark a second chance. At the climax, Troy subdues Pi but before he can kill him, Nerissa uses his magical sea dragon to blast away the other sharks. After Troy is defeated once more, Nerissa dances with the other fish.