Gaburu

Gaburu, also referred as Captain Gaburu (キャプテン ガブル), is a captain which crew is searching for.

Appearence
Being Caribou exchanged for him by his crew, he's probably very similar to him.

Ability and Powers
As a captain of a New World crew, he should be strong enough to survive in the last ocean.

History
For some reason, he's no longer with his crew, which is searching for him on one of Kaido's island.

Trivia

 * Even being named just as "Captain Gaburu", no futher information about his being a Pirate or another role in the New World.