Aloha Scooby-Doo!

The Mystery Gang goes to Hawaii for the Big Kahuna of Hanahuna Surfing Contest. However, the gang and the locals find the island invaded by the vengeful Wiki Tiki spirit and his demons.

Lani Loa: The Passage

A Hawaii cop becomes the suspect in a series of killings after his would-be bride is murdered on their wedding day by a gang of bank robbers, and returns as a ghost, taking vengeance on her killers, the Lono Gang.