“They demonstrably took place—if not in the SAME universe—in incredibly similar parallel ones.”

I agree that it’s kinda silly. Once something is published you really can’t take it back. But they tried.

Sorry, I can’t resist. As I understand it, BOOM! Studios did not have the DuckTales rights when they did this so it has “officially” been deemed “non-canonical.” That’s why it isn’t in the Definitively Dangerous Edition (that’s well worth picking up).

Thank you. We didn’t give a thought to following any continuity of DuckTales. In the grand tradition of Disney short subjects we treated Launchpad, Gizmo and other DuckTales characters as Disney contract actors, ready to be cast in whatever role fit whether it’s a co-star, guest star or sight gag. That’s what Silver…

Why would you think that there isn’t a Glomgold and the others in a DW universe?

Actually, that’s the Gizmoduck from the Darkwing universe. Note the white upper arms. ;)