This is uncle Steve, he is the uncle of the main character Alise.He is her mother's younger brother, her father doesn't like him because he is a bad influence on her.He is an Adventurer known for making trouble.
Does your story have a crazy uncle character too? (doesn't need to be an uncle)
Nixvir doesn't really have a crazy uncle archetype, but Apollodoros is the closest. He was Ragnar and Erik's mentor, and he was the one who taught Erik the I refute it thus technique, and he was the one who told them about the other worlds, something which the Nine Elders kept under wraps.
So just a kind of weird or crazy character who might be a bad influence lol? Kimberly's true personality is like this. She loves weird monster movies and animal facts, and she's always sharing these with her students
it hasn't gotten to be shown yet, because there are only minis out for the series atm, but it makes it's official debut in june
I suppose you can consider Highwulver as the 'crazy uncle' figure because he's the oldest and wisest of the bunch. He likes to tease and doesn't get many modern concepts, but he tries to keep an open mind and messes with everyone indiscriminately.