[quote=@Simple Unicycle]
Only way to not get into a bind by using a character from another character's supporting cast is to only use the really obscure ones no one would ever use.

Space Canine Patrol Agents when?
[/quote]

I'll do you one better: [url=https://dc.fandom.com/wiki/Brother_Power_(New_Earth)]Brother Power The Geek[/url] and [url=https://marvel.fandom.com/wiki/Grak_(Caveman)_(Earth-616)]Grak[/url] as buddy cops.