This page highlights the differences between Nobuharu Udo and Koda.
|Is a 32 year old from a present-day Japan who works odd jobs.
||Is a 100,000 year old caveman who did not age due to being bonded with an Energem.
|First known to Daigo and Amy, due to not trusting his identity until Amy does
||First known to Chase, as the two were the first to become Rangers
|Likes to make outdated puns and jokes; referred to as "old man jokes" by his teammates. Yet, even unable to control himself from doing so when in a crisis.
||Having been out of commission for millennia, he cannot speak English properly yet and has a hard time learning to adapt to modern society.
|Is nicknamed Nossan, based on his first name and age (ossan means old man).
||Has no known surname.
|Has a sister and niece.
||Had a little brother and grandfather (is almost certainly deceased).