Wyll is kind of unique. I really can't remember any RPG video game companion like him. But it all comes down to what they'll do with him down the line

Larian's Biggest Oversight, what to do about it, and My personal review of BG3 EA
"74.85% of you stood with the Tieflings, and 25.15% of you sided with Minthara. Good outweighs evil, it seems."