I like Scuba Diving and Pokémon.
Adam, Man of the Sea, is a one-time character who appeared in the Hoenn episode: The Relicanth Really Can.
Excerpt from Bulbapedia
Adam is a treasure-hunter who searches the sea for valuable artifacts. Together he and his wife Evelyn run a salvage shop called Bounty of the Sea on Wazoo Island.
Description
Updated with high-resolution screencaps.