Nate is older by like four minutes but he's shorter than Noah. Here's some concept art of Noah featuring his brother!
I wanted to bring back the old Nate somehow, since he's changed so much from his original concept.
Noah may look somewhat intimidating, but he's an absolute sweetheart. While Nate looks like a sweetheart, and he is! But he's far more emotional and nowhere as forgiving as Noah.
Nate is Agent 8b of the New Squidbeak Splatoon. Most of his job is working in the weapons development of the New Squidbeak Splatoon (reflective of his old job in the Octarian Army), although sometimes he does sing in family-friendly areas like diners.
Noah is also an agent... he's a call center agent! He also does some gigs with his low profile rock band. Sometimes they do gigs as personal fundraiser, but sometimes they also do it for charity. He's also currently taking up a master's degree!