| Captain Marius' Tentacruel|
カイドウのドククラゲ Kaidō's Dokukurage
|Debut:||Around the Whirlpool|
|Episode captured:||Prior to JE094: Around the Whirlpool|
|Current location:||With Captain Marius|
When the heroes were engulfed in the whirlpools, Marius sent Tentacruel to rescue them and bring them to his ship.
None of Tentacruel's moves are known.