Tentacular is the main antagonist of the 2021 animated film Rumble. He is a monster wrestling champion and Rayburn Jr's arch-nemesis, the father of whom he is always compared to. Tentacular has the appearance of a light blue biped half-shark half-octopus kaiju. He has three tentacles on each arm that he can form into whole arms and hands. There's also a fin on top of his shark-like head and dark blue spots all over his body, which glows in the dark.