Tim Drake would objectively be the best bat to have future children appear in front of.
I believe that man would take one look at the teenager who is assessing him like he's a piece of meat.
"That's 100% my kid."
Could look nothing like him, but he knows that look.
When the kid steals the energy drink right out of his hand and is already hacking into his computer. Just adds fuel to the fire.
Shooting lasers out of their eyes, confirms his Kon theory.
Bruce is trying to get a DNA test and his grandchild is dodging him with expert precision. Not because they have anything to hide other than they are the product of their mother's harem.
Grandpa might not need to know that quite yet..... would be funny though. 












