Tropes

Absurdly Sharp Claws: Shaidos's weapon, the Despair Claw, is this. It is even able to extend partially for combat purposes should he be discovered.
Casting a Shadow: Shaidos's powers are all shadow based, his chief one being the ability to hide in shadows.
Dark Is Evil: Shaidos is shadow-based and one of the pettier, more jerkish Daikaan.
Insistent Terminology: During one of their arguments, Balance reminds Garou that he's a mechanical life form not a robot.
It's All My Fault: When Kotaro updates the Orion on Stinger he informs them that he's blaming himself for Champ's destruction.
Living Shadow: Shaidos's cryptozoological basis is in the "Shadow People", which is basically this.
Monster of the Week: Daikaan Shaidos
Nonstandard Character Design: Predominantly black with stylised details resembling a zoot suit, Shaidos looks more like he's on loan from the Shadow Line.
Panthera Awesome: Shaidos is from the Lynx Star System, and visibly themed like a lynx or big cat.

Recap / Uchu Sentai Kyuranger Ep 17